US2574435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burr
Assignee: Scovill Inc
•
Filing: 1949-02-12
•
Granted: 1951-11-06
•
Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 Oren B Maxim
- 👤 Roger M Peabody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:38
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/05; F16B19/08; F16B19/10; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3611; Y10T24/3613; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US175191A
Cited
US1324089A
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US663520A
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US1760835A
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US1783113A
Cited
US2058311A
Cited
US2133220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |