Patent US1080620A successfully refreshed from Google Patents.
US1080620A
Expired / Lapsed
US
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Car.
Assignee: MH Treadwell Co Inc
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Filing: 1912-04-03
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Granted: 1913-12-09
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Expires: 1932-04-03
Abstract
No abstract record available.
Inventors
- 👤 Carl P Astrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:16
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/38
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) | 1916-12-08 | 1917-06-09 | 1917-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-12-08 | 1921-06-09 | 1921-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-12-08 | 1925-06-09 | 1925-12-09 | $7700.00 | Window Closed / Lapsed |