US2535141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable shore
Assignee: Individual
•
Filing: 1946-11-20
•
Granted: 1950-12-26
•
Expires: 1966-11-20
Abstract
No abstract record available.
Inventors
- 👤 William H Kenney
- 👤 Forrest C Newburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
E; E04; E04G; E04G25/00; E04G25/04; E04G25/06; E04G25/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US891897A
Cited
US1776439A
Cited
US1622038A
Cited
FR731506A
Cited
DE571643C
Cited
US1875977A
Cited
DE618559C
Cited
DE673601C
Cited
US2158018A
Cited
GB521501A
Cited
US2413342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |