US2822891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Application valve
Assignee: Wagner Electric Corp
•
Filing: 1955-08-05
•
Granted: 1958-02-11
•
Expires: 1975-08-05
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:25
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2741337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |