US2788046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw thread construction comprising conventional truncated threads with integral locking thread interposed therebetween
Assignee: Individual
•
Filing: 1952-12-15
•
Granted: 1957-04-09
•
Expires: 1972-12-15
Abstract
No abstract record available.
Inventors
- 👤 Rosan Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:37
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/02; F16B39/00; F16B39/22; F16B39/28; F16B39/30; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720580A
Cited
US1300801A
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US1807494A
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US1957095A
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US2109778A
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US2177003A
Cited
US2177100A
Cited
US2367213A
Cited
US2484644A
Cited
FR944369A
Cited
DE818140C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |