Patent US2650845A successfully refreshed from Google Patents.
US2650845A
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US
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Fastening device
Assignee: EMIL LANGBEIN
•
Filing: 1948-01-31
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Granted: 1953-09-01
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Expires: 1968-01-31
Abstract
No abstract record available.
Inventors
- 👤 Charles J Dalley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:37
CPC Classifications
B; B26; B26B; B26B13/00; B26B13/28; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32951; Y10T403/32959
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US620999A
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US769199A
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US938932A
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US995090A
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US1814821A
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US2238014A
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US2524652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |