Patent US2772031A successfully refreshed from Google Patents.
US2772031A
Expired / Lapsed
US
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Fluid gun
Assignee: C W HARWIN Inc
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Filing: 1952-12-02
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Granted: 1956-11-27
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Expires: 1972-12-02
Abstract
No abstract record available.
Inventors
- 👤 Harold A Roselund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:13
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/3066; B05B1/12; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1009; B05B11/1011; B05B11/1042; B05B11/1073; B05B11/1074; B05B11/1095; B05B15/00; B05B15/50; B05B15/52; B05B15/522; B05B15/5223; B05B15/5225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |