US1524497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dumping car
Assignee: MH Treadwell Co Inc
•
Filing: 1923-05-11
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Granted: 1925-01-27
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Expires: 1943-05-11
Abstract
No abstract record available.
Inventors
- 👤 Carl P Astrom
- 👤 John H Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:41
CPC Classifications
B; B61; B61D; B61D9/00; B61D9/02; Y; Y10; Y10S; Y10S91/00; Y10S91/02; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686; Y10T137/87056; Y10T137/87064; Y10T137/87169; Y10T137/87233; Y10T137/87241; Y10T137/87917; Y10T137/88046
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) | 1928-01-27 | 1928-07-28 | 1929-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-27 | 1932-07-28 | 1933-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-27 | 1936-07-28 | 1937-01-27 | $7700.00 | Window Closed / Lapsed |