US3415644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel photographic products and processes
Assignee: Polaroid Corp
•
Filing: 1967-03-10
•
Granted: 1968-12-10
•
Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:25
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42; G03C8/44; Y; Y10; Y10S; Y10S430/00; Y10S430/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1929254A
Cited
US2143791A
Cited
US3091535A
Cited
US3340062A
Cited
US3222178A
Cited
US3332792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |