Patent US3660066A successfully refreshed from Google Patents.
Patent US2157887A successfully refreshed from Google Patents.
US2157887A
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Air and water service station
Assignee: Individual
•
Filing: 1937-10-28
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Granted: 1939-05-09
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Expires: 1957-10-28
Abstract
No abstract record available.
Inventors
- 👤 Harold G Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:42
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/36; B65H75/368; B05; B05B; B05B16/00; B05C; B05C15/00; B67; B67D; B67D7/00; B67D7/06; B67D7/38; B67D7/40; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918; Y10T137/6921; Y10T137/6932; Y10T137/6943; Y10T137/6951; Y10T137/6966; Y10T137/6991; Y10T137/7025
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |