Patent US5544231A successfully refreshed from Google Patents.
Patent US3493448A successfully refreshed from Google Patents.
US3493448A
Expired / Lapsed
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Method of splicing photographic film
Assignee: Ltv Electrosystems Inc
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Filing: 1968-05-31
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Granted: 1970-02-03
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Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 James R Powell
- 👤 Harold D Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:52
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C66/00; B29C66/01; B29C66/02; B29C66/022; B29C66/0224; B29C66/02245; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/349; B29C66/3494; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/73; B29C66/737; B29C66/7371; B29C66/73711; B29C66/739; B29C66/7392; B29C66/73921; B29C35/00; B29C35/16; B29C2035/1658; B29C2035/1675; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2067/00; B29K2075/00; B29K2995/00; B29K2995/0037; B29K2995/005; B29K2995/0053; B29L; B29L2031/00; B29L2031/764; B29L2031/7644
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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |