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US2497737A
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Clinching of nails when joining pieces of wood or the like
Assignee: HYRESGAESTERNAS SPARKASSE OCH
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Filing: 1948-01-21
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Granted: 1950-02-14
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Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Ernst Eric Alfred Norrefeldt
- 👤 Hans Erik Edvin Holst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:13
CPC Classifications
B; B65; B65D; B65D9/00; B65D9/32; B27; B27F; B27F7/00; B27F7/02; B27F7/04; B65D19/00; B65D19/0004; B65D19/0053; B65D19/0077; B65D19/0089; B65D19/0093; B65D19/0095; E; E04; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00029; B65D2519/00049; B65D2519/00064; B65D2519/00084; B65D2519/00099; B65D2519/00258; B65D2519/00263; B65D2519/00278; B65D2519/00283; B65D2519/00293; B65D2519/00298; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00333; B65D2519/00353; B65D2519/00368; B65D2519/00373; B65D2519/00547; B65D2519/00552; B65D2519/00572; E04B2001/2652; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1363640A
Cited
US2436554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |