US3412244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folded flexible vacuum exposure holder for radiography
Assignee: Eastman Kodak Co
•
Filing: 1966-01-17
•
Granted: 1968-11-19
•
Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Sherwood Harold Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/04; G03C; G03C3/00; G03C3/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2590892A
Cited
US2925761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |