Patent US3124188A successfully refreshed from Google Patents.
US3124188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Figure
Assignee: —
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:58
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/30; B; B21; B21H; B21H3/00; B21H3/02; B21H3/025; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A FASTENING DEVICE COMPRISING A THREADED SHANK, SAID THREAD BEING GENERALLY HELICAL AND OF V-TYPE THREAD FORM HAVING A WIDER ROOT PORTION AND A NARROWER CREST, THE THREAD CREST BEING INTERRUPTED THROUGHOUT A PLURALITY OF TURNS BY THE PROVISION IN EACH TURN OF THE THREAD OF A THREAD CREST PORTION WHICH IS OTHERWISE NORMAL AND OF UNIFORM SECTION THROUGHOUT ITS LENGTH BUT IS IN DISALIGNMENT WITH SAID HELIX, LIKE POINTS OF ALL SAID DISALIGNED
Claim 2
Dependent Claim
74 words
A FASTENING DEVICE COMPRISING A THREADED SHANK, SAID THREAD BEING GENERALLY HELICAL AND OF V-TYPE THREAD FORM HAVING A WIDER ROOT PORTION AND A NARROWER CREST, THE THREAD CREST BEING INTERRUPTED THROUGHOUT A PLURALITY OF TURNS BY THE PROVISION IN EACH TURN OF THE THREAD OF A THREAD CREST PORTION WHICH IS OTHERWISE NORMAL AND OF UNIFORM SECTION THROUGHOUT ITS LENGTH BUT IS IN DISALIGNMENT WITH SAID HELIX, LIKE POINTS OF ALL SAID DISALIGNED
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |