US2952735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secrecy system
Assignee: Paramount Pictures Corp
•
Filing: 1955-04-18
•
Granted: 1960-09-13
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Phil H Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:36
CPC Classifications
H; H04; H04L; H04L9/00; H04K; H04K1/00; H04L2209/00; H04L2209/56; H04L2209/60; H04L2209/601; H04L2209/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US73349A
Cited
US2414101A
Cited
US2464353A
Cited
US2707208A
Cited
US2757226A
Cited
US2753489A
Cited
US2782303A
Cited
US2773982A
Cited
US2800585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |