US2899610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
van amstel
Assignee: —
•
Filing: 1954-10-20
•
Granted: 1959-08-11
•
Expires: 1974-10-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:43
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/20; H10D; H10D99/00; H10W40/00; H10W40/20; H10W40/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2665399A
Cited
US2414801A
Cited
US2745044A
Cited
US2703855A
Cited
US2759133A
Cited
US2754455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |