US1912299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling system
Assignee: Individual
•
Filing: 1928-08-18
•
Granted: 1933-05-30
•
Expires: 1948-08-18
Abstract
No abstract record available.
Inventors
- 👤 Parker Arthur La Rue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:29
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/04; F16L27/00; F16L27/10; F16L27/1008
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) | 1936-05-29 | 1936-11-28 | 1937-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-29 | 1940-11-28 | 1941-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-29 | 1944-11-28 | 1945-05-30 | $7700.00 | Window Closed / Lapsed |