US2916982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for exposing photosensitive material through photographic transparencies
Assignee: RR Donnelley and Sons Co
•
Filing: 1956-03-14
•
Granted: 1959-12-15
•
Expires: 1976-03-14
Abstract
No abstract record available.
Inventors
- 👤 Rolland H Caine
- 👤 Gilbert S Krohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:58
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/04; G03B27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US607648A
Cited
US865797A
Cited
US996529A
Cited
US1503507A
Cited
US1675493A
Cited
US1871484A
Cited
US2699102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |