US1952333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1930-04-23
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Granted: 1934-03-27
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Expires: 1950-04-23
Abstract
No abstract record available.
Inventors
- 👤 William G Pfeiffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
A; A41; A41F; A41F15/00; A41F15/02; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/346; Y10T24/3461; Y10T24/3463; Y10T24/3467; Y10T24/3476; Y10T24/348; Y10T24/44; Y10T24/44641; Y10T24/44658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-26 | 1937-09-25 | 1938-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-26 | 1941-09-25 | 1942-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-26 | 1945-09-25 | 1946-03-27 | $7700.00 | Window Closed / Lapsed |