Patent US2727317A successfully refreshed from Google Patents.
US2727317A
Expired / Lapsed
US
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Cooling mechanism for web supporting rollers of dryers
Assignee: Individual
•
Filing: 1953-04-16
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Granted: 1955-12-20
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Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Offen Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:14
CPC Classifications
D; D21; D21G; D21G9/00; B; B41; B41F; B41F23/00; B41F23/04; B41F23/0403; B41F23/0476; B41F23/0479; D06; D06C; D06C7/00; D21F; D21F5/00; D21F5/02; D06C2700/00; D06C2700/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1413786A
Cited
US737571A
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US1370332A
Cited
US1714261A
Cited
US2318511A
Cited
US2400325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |