US2646601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and cooling backing pan
Assignee: UNITED AMERICAN METALS Corp
•
Filing: 1949-09-14
•
Granted: 1953-07-28
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 Albert H Jung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:38
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397593A
Cited
US821845A
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US1073105A
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US1219289A
Cited
US1125671A
Cited
US1164078A
Cited
US1199429A
Cited
GB445425A
Cited
US2182114A
Cited
US2177168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |