US2661645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for heating and shaping or
Assignee: —
•
Filing: 1949-07-06
•
Granted: 1953-12-08
•
Expires: 1969-07-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:26
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/023; B29D; B29D12/00; B29D12/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US863578A
Cited
US882012A
Cited
US1264519A
Cited
US1550386A
Cited
US1598865A
Cited
US1609110A
Cited
US1859056A
Cited
US1941846A
Cited
US2502088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |