Patent US935906A successfully refreshed from Google Patents.
US935906A
Expired / Lapsed
US
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Sheet-metal-bending machine.
Assignee: LIONEL Manufacturing Co
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Filing: 1908-11-14
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Granted: 1909-10-05
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Expires: 1928-11-14
Abstract
No abstract record available.
Inventors
- 👤 Harry C Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:36
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/10; B21C37/101
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) | 1912-10-04 | 1913-04-05 | 1913-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-10-04 | 1917-04-05 | 1917-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-10-04 | 1921-04-05 | 1921-10-05 | $7700.00 | Window Closed / Lapsed |