Patent US2591287A successfully refreshed from Google Patents.
US2591287A
Expired / Lapsed
US
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Chuck
Assignee: Revere Camera Co
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Filing: 1949-06-04
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Granted: 1952-04-01
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Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Pellar Fred
- 👤 Joseph C Zivny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:50
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1253; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17564; Y10T279/17598
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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |