US3390771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating screen frame
Assignee: Individual
•
Filing: 1965-09-16
•
Granted: 1968-07-02
•
Expires: 1985-09-16
Abstract
No abstract record available.
Inventors
- 👤 Wehner Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:23
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/4609; B07B1/4645; B07B1/48; B07B1/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US944073A
Cited
US1114064A
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US2032082A
Cited
US2165946A
Cited
US2335084A
Cited
US2519162A
Cited
GB743902A
Cited
US2975900A
Cited
US3261469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |