US2750814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wildhaber
Assignee: —
•
Filing: —
•
Granted: 1956-06-19
•
Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:33
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/32; B; B23; B23F; B23F15/00; B23F15/06; B23F5/00; B23F5/20; F16H55/00; F16H55/02; F16H55/08; F16H2055/0893; Y; Y10; Y10S; Y10S475/00; Y10S475/904; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595076A
Cited
US1192627A
Cited
FR613071A
Cited
US1755102A
Cited
US1818554A
Cited
US2212321A
Cited
US2250259A
Cited
US2463725A
Cited
US2580392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |