US2755144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding trestle
Assignee: Individual
•
Filing: 1951-11-20
•
Granted: 1956-07-17
•
Expires: 1971-11-20
Abstract
No abstract record available.
Inventors
- 👤 James D Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:37
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US445199A
Cited
US482625A
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US1143397A
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US1418054A
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US1385021A
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US1446924A
Cited
US1519581A
Cited
US1633000A
Cited
GB373710A
Cited
US2008311A
Cited
FR798792A
Cited
US2410330A
Cited
US2594464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |