US2492227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making shackle bolts
Assignee: Barmatic Machines Inc
•
Filing: 1946-07-17
•
Granted: 1949-12-27
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Edward J Korecky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:38
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/53; Y10T29/53657; Y10T29/53961; Y10T29/5397
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1152513A
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US1552645A
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US1729843A
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US1829651A
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US2008772A
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US2208584A
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US2270300A
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US2310638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |