US1112839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pawl and ratchet for dumping-boxes.
Assignee: GEORGE W KIRKPATRICK
•
Filing: 1913-04-08
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Granted: 1914-10-06
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Expires: 1933-04-08
Abstract
No abstract record available.
Inventors
- 👤 Homer F Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:41
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1569; Y10T74/1571; Y10T74/1576; Y10T74/21; Y10T74/2133; Y10T74/2136; Y10T74/214
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) | 1917-10-05 | 1918-04-06 | 1918-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-10-05 | 1922-04-06 | 1922-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-10-05 | 1926-04-06 | 1926-10-06 | $7700.00 | Window Closed / Lapsed |