US2573740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpenter's horse or trestle
Assignee: Individual
•
Filing: 1947-02-18
•
Granted: 1951-11-06
•
Expires: 1967-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Spikings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:28
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1191687A
Cited
US1411260A
Cited
US2194027A
Cited
US2290898A
Cited
US2324196A
Cited
US2412716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |