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Patent US2717640A successfully refreshed from Google Patents.
US2717640A
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Assignee: Bear Manufacturing Co
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Filing: 1953-12-22
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Granted: 1955-09-13
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Expires: 1973-12-22
Abstract
No abstract record available.
Inventors
- 👤 Earl L Schnoebeien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:11
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |