Patent US2783809A successfully refreshed from Google Patents.
US2783809A
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Differential screw thread construction
Assignee: Mcgaffey-Taylor Corp
•
Filing: 1952-11-28
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Granted: 1957-03-05
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Expires: 1972-11-28
Abstract
No abstract record available.
Inventors
- 👤 Marcus W Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:06
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/02; Y; Y10; Y10S; Y10S285/00; Y10S285/906; Y10S411/00; Y10S411/924; Y10S411/929; Y10T; Y10T403/00; Y10T403/29; Y10T403/297; Y10T403/57; Y10T403/5746
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2374266A
Cited
US2426083A
Cited
US2485280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |