US2670241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow gun
Assignee: Individual
•
Filing: 1951-05-22
•
Granted: 1954-02-23
•
Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 George S Pyles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/002; B05B; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B9/00; B05B9/01; B05B9/03; B05B9/04; B05B9/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324017A
Cited
US1272752A
Cited
US1903100A
Cited
US2105903A
Cited
US2107686A
Cited
CH196395A
Cited
US2146417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |