Patent US1901563A successfully refreshed from Google Patents.
Patent US1837652A successfully refreshed from Google Patents.
US1837652A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1930-01-06
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Granted: 1931-12-22
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Expires: 1950-01-06
Abstract
No abstract record available.
Inventors
- 👤 Choate Rufus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:04
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0225; B65D43/0231; B65D25/00; B65D25/28; B65D25/32; B65D47/00; B65D47/04; B65D47/046; B65D51/00; B65D51/16; B65D51/1672; B65D51/1683; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00268; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555
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) | 1934-12-21 | 1935-06-22 | 1935-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-21 | 1939-06-22 | 1939-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-21 | 1943-06-22 | 1943-12-22 | $7700.00 | Window Closed / Lapsed |