US2068653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave operated pump
Assignee: Individual
•
Filing: 1935-06-22
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Granted: 1937-01-26
•
Expires: 1955-06-22
Abstract
No abstract record available.
Inventors
- 👤 Brynild Lars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:09
CPC Classifications
F; F03; F03B; F03B13/00; F03B13/12; F03B13/14; F03B13/16; F03B13/20; B; B63; B63B; B63B13/00; F04; F04B; F04B49/00; F04B49/02; F05; F05B; F05B2250/00; F05B2250/40; F05B2250/44; F05B2260/00; F05B2260/40; F05B2260/406; Y; Y02; Y02E; Y02E10/00; Y02E10/30
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) | 1940-01-26 | 1940-07-27 | 1941-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-26 | 1944-07-27 | 1945-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-26 | 1948-07-27 | 1949-01-26 | $7700.00 | Window Closed / Lapsed |