Patent US3145294A successfully refreshed from Google Patents.
US3145294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear footage meter
Assignee: Individual
•
Filing: 1961-07-18
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Granted: 1964-08-18
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Expires: 1981-07-18
Abstract
No abstract record available.
Inventors
- 👤 Jesse A Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:19
CPC Classifications
G; G01; G01B; G01B21/00; G01B21/02; G01B21/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
THE METHOD OF ACCURATELY MEASURING THE LENGTH OF A MATERIAL MOVING IN A PATH AND CARRYING SPACED MARKINGS WHICH COMPRISES MEASURING THE TIME IT TAKES TWO SUCCESSIVE MARKS TO PASS A GIVEN POINT, MEASURING THE TIME IT TAKES ONE OF SAID MARKS TO MOVE AN ACCURATELY MEASURED DISTANCE OF LESS THAN THE DISTANCE BETWEEN SUCCESSIVE
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |