US3129268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporator panels
Assignee: Standard Manufacturing Co
•
Filing: 1961-12-12
•
Granted: 1964-04-14
•
Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Claude C Evett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790993A
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US1837213A
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US1842489A
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US2173338A
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US2366906A
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US2480641A
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US2965098A
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US2839279A
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US2904258A
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US3052416A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |