Patent US3848689A successfully refreshed from Google Patents.
US3848689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaff-scale with lock
Assignee: Individual
•
Filing: 1973-04-30
•
Granted: 1974-11-19
•
Expires: 1993-04-30
Abstract
Abstract A gaff-scale provided with a tubular body, slidably enclosing a generally rectangular rod extending through a generally rectangular passage at the end of the body; and the rod terminating in a sharp hook; the end of the rod within the body suspended from a spring; an index associated with the rod visible outside the body as it traverses a series of weight calibrations on the body; a latch engageable with the rod locks the hook against movement.
Inventors
- 👤 K Hilterhaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/52; G01G19/60; A; A01; A01K; A01K97/00; A01K97/14; G01G3/00; G01G3/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
256 words
A gaff-scale comprising: a. a generally elongated hollow housing having a longitudinal slot, b. a first guide for a rod attached in the housing, c. a non-circular passage in the first guide, d. a rod in the housing having a portion slidable in the passage in the first guide, e. the portion of the rod slidable in the passage in the first guide provided with a non-circular cross-sectional configuration corresponding closely to the passage in the first guide, whereby torsional movement of the rod is inhibited; f. a spring in the housing, g. an end of the spring attached to the housing above the first guide, h. another end of the spring attached to an end of the rod above the first guide, i. an index on the rod visIble in the longitudinal slot in the housing, j. a scale on the housing arranged in visible relation to the index, k. a second guide for the rod attached to the bottom of the housing, l. the second guide having a non-circular passage, m. a portion of the rod slidable in the passage in the second guide and provided with a cross-sectional configuration corresponding closely to the passage in the second guide, whereby torsional movement of the rod is inhibited, n. an integral hook on a portion of the rod outside of the housing, o. a strip in the passage in the second guide engageable with the rod. p. a pivotable latch mounted in a slot in the second guide and engageable and disengageable with the strip.
Claim 2
Dependent Claim
256 words
A gaff-scale comprising: a. a generally elongated hollow housing having a longitudinal slot, b. a first guide for a rod attached in the housing, c. a non-circular passage in the first guide, d. a rod in the housing having a portion slidable in the passage in the first guide, e. the portion of the rod slidable in the passage in the first guide provided with a non-circular cross-sectional configuration corresponding closely to the passage in the first guide, whereby torsional movement of the rod is inhibited; f. a spring in the housing, g. an end of the spring attached to the housing above the first guide, h. another end of the spring attached to an end of the rod above the first guide, i. an index on the rod visIble in the longitudinal slot in the housing, j. a scale on the housing arranged in visible relation to the index, k. a second guide for the rod attached to the bottom of the housing, l. the second guide having a non-circular passage, m. a portion of the rod slidable in the passage in the second guide and provided with a cross-sectional configuration corresponding closely to the passage in the second guide, whereby torsional movement of the rod is inhibited, n. an integral hook on a portion of the rod outside of the housing, o. a strip in the passage in the second guide engageable with the rod. p. a pivotable latch mounted in a slot in the second guide and engageable and disengageable with the strip.
Claim 3
Dependent Claim
31 words
A gaff-scale comprising: a. the device according to claim 1, b. a cap on the top of the housing, and c. means attached to the cap for holding the housing suspended.
Claim 4
Dependent Claim
33 words
A gaff-scale comprising: a. the device according to claim 1, and b. a slot in the housing extending generally to define the limits of movement of the index when the spring is overcome.
Claim 5
Dependent Claim
24 words
A gaff-scale comprising: a. the device according to claim 1, and b. the passage in the first guide being generally rectangular in cross-sectional area.
Claim 6
Dependent Claim
71 words
A gaff-scale comprising: a. the device according to claim 1, and b. the strip in the passage in the second guide having a cross sectional shape in general conformity with the cross section of the rod, c. a detent on the latch defining the portion of the latch engageable and disengageable with the strip, and shaped in general conformity with the cross-sectional shape of the strip at the point of engagement.
References Cited (Backward Citations)
US452278A
Cited
US722740A
Cited
US956626A
Cited
US1686889A
Cited
US2446720A
Cited
US2570538A
Cited
US2633351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |