Patent US2935271A successfully refreshed from Google Patents.
US2935271A
Expired / Lapsed
US
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Film guiding and tensioning device
Assignee: US Philips Corp
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Filing: 1954-10-01
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Granted: 1960-05-03
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Vivie Wilhelmus Lamb Leonardus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:13
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6271; G03B27/6285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1944022A
Cited
US1944035A
Cited
US2051036A
Cited
US2115737A
Cited
US2051787A
Cited
US2547186A
Cited
US2468198A
Cited
US2534083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |