Patent US1813552A successfully refreshed from Google Patents.
Patent US2939757A successfully refreshed from Google Patents.
US2939757A
Expired / Lapsed
US
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Recorder and combination thereof with a rubber mill
Assignee: Uniroyal Inc
•
Filing: 1955-03-10
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Granted: 1960-06-07
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Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Donald C Macdonald
- 👤 Oswald K Laible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:16
CPC Classifications
G; G07; G07C; G07C3/00; G07C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352150A
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US1926640A
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US2051780A
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US2229069A
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US2233285A
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DE749327C
Cited
US2424856A
Cited
US2684473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |