US2908900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: Epsco Inc
•
Filing: 1956-05-14
•
Granted: 1959-10-13
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Gordon
- 👤 Gibson Randall Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:55
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US594979A
Cited
US1058545A
Cited
US1301050A
Cited
US1178128A
Cited
US1519675A
Cited
US1581383A
Cited
US1504609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |