US2899816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
jacobsen
Assignee: —
•
Filing: —
•
Granted: 1959-08-18
•
Expires: 1976-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:50
CPC Classifications
D; D06; D06F; D06F25/00; D06F39/00; D06F39/12; D06F39/14; D06F58/00; D06F58/20; D06F58/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2451692A
Cited
US2607209A
Cited
US2644245A
Cited
US2680916A
Cited
US2717457A
Cited
US2800008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |