Patent US2266593A successfully refreshed from Google Patents.
US2266593A
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Method of making lock joints
Assignee: Bohn Aluminum and Brass Corp
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Filing: 1939-09-20
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Granted: 1941-12-16
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Expires: 1959-09-20
Abstract
No abstract record available.
Inventors
- 👤 James W Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:07
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/03; B21D39/037; F; F16; F16B; F16B17/00; F16B17/008; F16B5/00; F16B5/0096; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49629; Y10T29/49826; Y10T29/49908; Y10T403/00; Y10T403/49; Y10T403/4983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-12-15 | 1945-06-16 | 1945-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-15 | 1949-06-16 | 1949-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-15 | 1953-06-16 | 1953-12-16 | $7700.00 | Window Closed / Lapsed |