US2214205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film
Assignee: DEFENDER PHOTO SUPPLY Co
•
Filing: 1939-06-08
•
Granted: 1940-09-10
•
Expires: 1959-06-08
Abstract
No abstract record available.
Inventors
- 👤 Rowland S Potter
- 👤 Webster Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:01
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/7614; G03C11/00; G03C11/08; Y; Y10; Y10S; Y10S430/00; Y10S430/162
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) | 1943-09-10 | 1944-03-11 | 1944-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-10 | 1948-03-11 | 1948-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-10 | 1952-03-11 | 1952-09-10 | $7700.00 | Window Closed / Lapsed |