Patent US2408547A successfully refreshed from Google Patents.
US2408547A
Expired / Lapsed
US
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Coupling
Assignee: STANDARD CABINET WORKS Inc
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Filing: 1944-08-18
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Granted: 1946-10-01
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Expires: 1964-08-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Bertschinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:56
CPC Classifications
F; F16; F16B; F16B9/00; F16B9/09; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/599; Y10T403/60
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) | 1949-09-30 | 1950-04-01 | 1950-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-30 | 1954-04-01 | 1954-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-30 | 1958-04-01 | 1958-10-01 | $7700.00 | Window Closed / Lapsed |