US2677160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core box dowel pin
Assignee: Individual
•
Filing: 1949-11-16
•
Granted: 1954-05-04
•
Expires: 1969-11-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:17
CPC Classifications
B; B22; B22C; B22C21/00; B22C21/10; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/55; Y10T403/556; Y10T403/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279557A
Cited
US2217367A
Cited
GB257703A
Cited
US1743492A
Cited
US2221141A
Cited
US2273102A
Cited
US2423341A
Cited
US2499146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |