US2944270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Revolving and folding mobile floating bridge
Assignee: Individual
•
Filing: 1957-06-17
•
Granted: 1960-07-12
•
Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 John J Pearse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:17
CPC Classifications
E; E01; E01D; E01D15/00; E01D15/14; E01D15/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR760159A
Cited
US1640980A
Cited
US2376023A
Cited
US2321677A
Cited
US2762069A
Cited
US2687225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |