US3146078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installation for heating drying drums of drying machines
Assignee: Individual
•
Filing: 1961-02-15
•
Granted: 1964-08-25
•
Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Gerster Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183; G; G03; G03D; G03D15/00; G03D15/02; G03D15/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1258055A
Cited
US1483343A
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US2365678A
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US2365271A
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US2413567A
Cited
US2964297A
Cited
US3071870A
Cited
US3002290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |