Patent US2463985A successfully refreshed from Google Patents.
US2463985A
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US
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Exposure timing mechanism
Assignee: Pavelle Color Inc
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Filing: 1948-02-13
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Granted: 1949-03-08
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Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 Walter L Linde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:53
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/80; H; H03; H03K; H03K17/00; H03K17/28; H03K17/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |