Patent US2988890A successfully refreshed from Google Patents.
US2988890A
Expired / Lapsed
US
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Compressor
Assignee: Trico Products Corp
•
Filing: 1956-07-05
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Granted: 1961-06-20
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Expires: 1976-07-05
Abstract
No abstract record available.
Inventors
- 👤 John R Oishei
- 👤 Bitzer Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:17
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923333A
Cited
US2209090A
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US2331108A
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US2363179A
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US2462983A
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US2624361A
Cited
US2737196A
Cited
US2674092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |