US3106409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1961-03-27
•
Granted: 1963-10-08
•
Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Berlin Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:06
CPC Classifications
D; D06; D06F; D06F95/00; D06F95/002; D06F95/004; B; B62; B62B; B62B2205/00; B62B2205/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1941902A
Cited
US2215131A
Cited
US2463124A
Cited
US2467900A
Cited
US2847227A
Cited
US2967716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |