US2535641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-10-16
•
Granted: 1950-12-26
•
Expires: 1967-10-16
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:54
CPC Classifications
A; A41; A41F; A41F1/00; A41F1/006; Y; Y10; Y10T; Y10T24/00; Y10T24/31; Y10T24/314; Y10T24/316; Y10T24/34; Y10T24/3401; Y10T24/3413; Y10T24/3416; Y10T24/342; Y10T24/3427; Y10T24/346; Y10T24/46; Y10T24/4604; Y10T24/463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2126591A
Cited
US2123919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |