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US2970729A
Expired / Lapsed
US
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Carriers
Assignee: Individual
•
Filing: 1959-05-07
•
Granted: 1961-02-07
•
Expires: 1979-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jefferson H Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:23
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/16; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1402; Y10T24/141; Y10T24/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US63510A
Cited
US65499A
Cited
US1596076A
Cited
US2194024A
Cited
CH208365A
Cited
US2676836A
Cited
US2781960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |