US2439692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dowel pin
Assignee: Individual
•
Filing: 1945-12-07
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Granted: 1948-04-13
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Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 Frank W Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:58
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/02; E; E04; E04B; E04B1/00; E04B1/38; E04B1/48; Y; Y10; Y10T; Y10T279/00; Y10T279/34; Y10T279/3481; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/5383; Y10T29/53839; Y10T403/00; Y10T403/16; Y10T403/1633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US402457A
Cited
US724897A
Cited
US862898A
Cited
US1184775A
Cited
GB191216448A
Cited
US2104496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |