US3478956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: CHARLES E GOSHA
•
Filing: 1968-03-25
•
Granted: 1969-11-18
•
Expires: 1988-03-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Gosha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/04; F04B39/041; F04B39/042; F04B27/00; F04B27/02; F04B39/10; F04B39/1073; F04B39/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US545032A
Cited
US991902A
Cited
US1397914A
Cited
US1435224A
Cited
US1880595A
Cited
US2128937A
Cited
US3233554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |