US2999570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1957-07-25
•
Granted: 1961-09-12
•
Expires: 1977-07-25
Abstract
No abstract record available.
Inventors
- 👤 Edward A Seiz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:04
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/34; A; A47; A47B; A47B47/00; A47B47/02; A47B47/021; A47B47/027; A47B47/03; A47B57/00; A47B57/30; A47B57/40; A47B57/48; A47B57/50; Y; Y10; Y10S; Y10S403/00; Y10S403/13; Y10T; Y10T403/00; Y10T403/16; Y10T403/1616
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |