Patent US2708616A successfully refreshed from Google Patents.
US2708616A
Expired / Lapsed
US
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Method and apparatus for determination of racetrack finish line and lanes
Assignee: Individual
•
Filing: 1952-06-14
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Granted: 1955-05-17
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert A Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:51
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US516278A
Cited
US1895211A
Cited
US2403911A
Cited
US2619402A
Cited
US2633054A
Cited
US2618195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |