US1679631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording apparatus for oarsmen
Assignee: Individual
•
Filing: 1925-09-30
•
Granted: 1928-08-07
•
Expires: 1945-09-30
Abstract
No abstract record available.
Inventors
- 👤 Hal E Seagraves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:15
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/06; B; B63; B63H; B63H16/00; B63H16/08; A63B2220/00; A63B2220/80; A63B2220/83; A63B2220/833; Y; Y10; Y10S; Y10S482/00; Y10S482/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-08-07 | 1932-02-06 | 1932-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-07 | 1936-02-06 | 1936-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-07 | 1940-02-06 | 1940-08-07 | $7700.00 | Window Closed / Lapsed |