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US933650A
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Adjustable and collapsible trestle.
Assignee: FLATTNER IMPLEMENT Co
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Filing: —
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Granted: 1909-09-07
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Expires: 1926-09-07
Abstract
No abstract record available.
Inventors
- 👤 Allington H Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:52
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06
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) | 1912-09-06 | 1913-03-08 | 1913-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-09-06 | 1917-03-08 | 1917-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-09-06 | 1921-03-08 | 1921-09-07 | $7700.00 | Window Closed / Lapsed |