Patent US2714609A successfully refreshed from Google Patents.
Patent US1589766A successfully refreshed from Google Patents.
US1589766A
Expired / Lapsed
US
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Pneumatic power generator
Assignee: Individual
•
Filing: 1923-09-13
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Granted: 1926-06-22
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Expires: 1943-09-13
Abstract
No abstract record available.
Inventors
- 👤 August H Schreiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:16
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/24; F05B2240/243; F05B2240/90; F05B2240/91; F05B2240/911; F05B2240/9111; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728
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) | 1929-06-21 | 1929-12-21 | 1930-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-21 | 1933-12-21 | 1934-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-21 | 1937-12-21 | 1938-06-22 | $7700.00 | Window Closed / Lapsed |