US3479485A
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Assignee: Polaroid Corp
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Filing: 1966-10-12
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Granted: 1969-11-18
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Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 William L Hanna
- 👤 Christian C Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:16
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/433; B29C66/80; B29C66/81; B29C66/812; B29C66/8122; B29C66/816; B29C66/8167; B29C66/818; B29C66/82; B29C66/822; B29C66/8221; B29C66/8222; B29C66/8226; B29C66/8227; B29C66/83; B29C66/832; B29C66/8324; B29C66/87; B29C66/872; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91651; B29C66/91653; H; H05; H05B; H05B3/00; B29C65/228; B29C66/431; B29C66/4312; B29C66/43121; B29K; B29K2101/00; B29K2101/12; B29L; B29L2017/00
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |