Patent US2911694A successfully refreshed from Google Patents.
US2911694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Call holder
Assignee: —
•
Filing: —
•
Granted: 1959-11-10
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Expires: 1976-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:25
CPC Classifications
A; A41; A41F; A41F11/00; A41F11/02; A41F11/04; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1374; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3487
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US268407A
Cited
US2608796A
Cited
US733018A
Cited
FR647389A
Cited
US1879991A
Cited
US2035976A
Cited
US2572889A
Cited
US2819650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |