US1506652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable auxiliary pump
Assignee: PHILIP A KOEHRING
•
Filing: 1923-09-10
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Granted: 1924-08-26
•
Expires: 1943-09-10
Abstract
No abstract record available.
Inventors
- 👤 Maker Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:32
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035
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) | 1927-08-26 | 1928-02-25 | 1928-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-26 | 1932-02-25 | 1932-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-26 | 1936-02-25 | 1936-08-26 | $7700.00 | Window Closed / Lapsed |