US3086802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knot tying device
Assignee: Individual
•
Filing: 1961-11-30
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Granted: 1963-04-23
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 William H Keeton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/03; A01K91/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
KNOT TYING DEVICE INCLUDING A MANDREL SHAPED TO FORM A LONGITUDINAL SERIES OF SECTIONS, EACH OF WHICH IS SUBSTANTIALLY UNIFORM IN CROSS-SECTIONAL AREA AND SHAPE THROUGHOUT ITS LENGTH, AND SMALLER IN CROSS-SECTIONAL AREA THAN THE ONE PRECEDING IT IN DIMINISHING SEQUENCE TOWARD THE FREE END OF SAID MANDREL, THE SECTION AT THE LARGER END OF SAID SERIES BEING SYMMETRICAL WITH RESPECT TO ITS AXIS AND THE SURFACES OF ALL SECTIONS COINCIDING AT ONE SIDE WITH A LINE OF UNINTERRUPTED RECTILINEARITY PARALLEL TO SAID AXIS, THE SHAPE AND SIZE OF SAID CROSS-SECTIONAL AREAS OF SUCCESSIVE SECTIONS BEING SUCH AS TO DETERMINE A SUCCESIVELY SMALLER CIRCUMFERENCE IN A FLEXIBLE STRAND APPLIED SUCCESSIVELY TO SAID SECTIONS IN TENSIONED ENCIRCLING CONTIGUITY.
Claim 2
Dependent Claim
117 words
KNOT TYING DEVICE INCLUDING A MANDREL SHAPED TO FORM A LONGITUDINAL SERIES OF SECTIONS, EACH OF WHICH IS SUBSTANTIALLY UNIFORM IN CROSS-SECTIONAL AREA AND SHAPE THROUGHOUT ITS LENGTH, AND SMALLER IN CROSS-SECTIONAL AREA THAN THE ONE PRECEDING IT IN DIMINISHING SEQUENCE TOWARD THE FREE END OF SAID MANDREL, THE SECTION AT THE LARGER END OF SAID SERIES BEING SYMMETRICAL WITH RESPECT TO ITS AXIS AND THE SURFACES OF ALL SECTIONS COINCIDING AT ONE SIDE WITH A LINE OF UNINTERRUPTED RECTILINEARITY PARALLEL TO SAID AXIS, THE SHAPE AND SIZE OF SAID CROSS-SECTIONAL AREAS OF SUCCESSIVE SECTIONS BEING SUCH AS TO DETERMINE A SUCCESIVELY SMALLER CIRCUMFERENCE IN A FLEXIBLE STRAND APPLIED SUCCESSIVELY TO SAID SECTIONS IN TENSIONED ENCIRCLING CONTIGUITY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |