Patent US4199626A successfully refreshed from Google Patents.
Patent US2694975A successfully refreshed from Google Patents.
US2694975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orig ft
Assignee: —
•
Filing: —
•
Granted: 1954-11-23
•
Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:42
CPC Classifications
B; B41; B41B; B41B1/00; B41B1/06; B41B1/08; B41J; B41J11/00; B41J11/02; B41J11/06; B41J13/00; B41J13/10; B41J13/14; G; G07; G07B; G07B1/00; G07B1/02; Y; Y10; Y10S; Y10S101/00; Y10S101/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US670718A
Cited
US1026254A
Cited
US1088670A
Cited
US1085627A
Cited
US1400024A
Cited
US1385824A
Cited
US1411268A
Cited
US1900023A
Cited
US1997191A
Cited
US2161602A
Cited
US2418007A
Cited
US2413664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |