US2762153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pictorial transparencies and method of making same
Assignee: Individual
•
Filing: 1954-11-29
•
Granted: 1956-09-11
•
Expires: 1974-11-29
Abstract
No abstract record available.
Inventors
- 👤 Donald P Knode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:09
CPC Classifications
B; B44; B44F; B44F1/00; B44F1/06; B44F1/066; B44F1/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772927A
Cited
US2001928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |