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US1095241A
Expired / Lapsed
US
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Door-operating mechanism for dumping-cars.
Assignee: SUMMERS STEEL CAR Co
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Filing: 1909-07-17
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Granted: 1914-05-05
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Expires: 1929-07-17
Abstract
No abstract record available.
Inventors
- 👤 Edgar Webster Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:39
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/28
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) | 1917-05-04 | 1917-11-03 | 1918-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-04 | 1921-11-03 | 1922-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-04 | 1925-11-03 | 1926-05-05 | $7700.00 | Window Closed / Lapsed |