Patent US2732001A successfully refreshed from Google Patents.
US2732001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
halstead
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:22
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1369826A
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US822252A
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US1153294A
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US1901062A
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US1873279A
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US2177117A
Cited
US2257465A
Cited
US2290386A
Cited
US2371357A
Cited
US2368445A
Cited
US2537832A
Cited
US2590239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |