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Patent US2164657A successfully refreshed from Google Patents.
US2164657A
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Assignee: Individual
•
Filing: 1937-10-18
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Granted: 1939-07-04
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Expires: 1957-10-18
Abstract
No abstract record available.
Inventors
- 👤 Levy Nat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:22
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2047; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1368; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3431; Y10T24/3433; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44479; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45529; Y10T24/45534
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) | 1942-07-03 | 1943-01-02 | 1943-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-03 | 1947-01-02 | 1947-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-03 | 1951-01-02 | 1951-07-04 | $7700.00 | Window Closed / Lapsed |