US2723781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back pack pump outfit
Assignee: Individual
•
Filing: 1950-02-14
•
Granted: 1955-11-15
•
Expires: 1970-02-14
Abstract
No abstract record available.
Inventors
- 👤 Fred W Funke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:59
CPC Classifications
A; A62; A62C; A62C15/00; B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B05B9/0426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1284462A
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US1377923A
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FR661110A
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US1983185A
Cited
US2021411A
Cited
US2017319A
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US2157966A
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US2269092A
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US2366692A
Cited
US2448688A
Cited
US2529645A
Cited
US2481719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |