Patent US3134290A successfully refreshed from Google Patents.
US3134290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant metal screw with a plastic head
Assignee: Hospitality Homes
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Filing: 1962-08-23
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Granted: 1964-05-26
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Jentoft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:31
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/14; F16B33/00; F16B33/004; F16B43/00; F16B43/001; F16B35/00; F16B35/04; F16B35/06; Y; Y10; Y10S; Y10S411/00; Y10S411/904; Y10S411/908; Y10S411/955; Y10S411/956; Y10S411/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A CORROSION RESISTANT SCREW COMPRISING A METAL BODY WITH A THREADED SHAFT AND AN INTEGRAL HEAD PORTION OF GREATER DIAMETER THAN SAID SHAFT, SAID HEAD PORTION HAVING A PLURALITY OF SLOTS EXTENDING RADIALLY FROM THE LONGITUDINAL AXIS OF SAID METAL BODY, SAID SLOTS DEFINING ALIQUOT SECTOR PRONGS IN SAID HEAD PORTION, A SCREW-HEAD COMPRISED OF IMPACT-RESISTANT, HIGH MODULUS OF ELASTICITY, THERMOPLASTIC MATERIAL SURROUNDING SAID HEAD PORTION AND FILLING SAID SLOTS AS A UNITARY MASS, SAID SCREW-HEAD BEING OF PERIPHERAL EQUILATERNAL GEOMETRIC CONFIGURATION IN ITS CENTRAL PORTION IN THE REGION OF SAID PRONGS, A RADIAL FLANGE INTEGRAL WITH SAID SCREW-HEAD ADJACENT TO SAID THREADED SHAFT, AND A SHAFTWARDLY CONCAVE SHIRT OF SAID UNITARY MASS BETWEEN SAID RADIAL FLANGE AND SAID SHAFT.
Claim 2
Dependent Claim
120 words
A CORROSION RESISTANT SCREW COMPRISING A METAL BODY WITH A THREADED SHAFT AND AN INTEGRAL HEAD PORTION OF GREATER DIAMETER THAN SAID SHAFT, SAID HEAD PORTION HAVING A PLURALITY OF SLOTS EXTENDING RADIALLY FROM THE LONGITUDINAL AXIS OF SAID METAL BODY, SAID SLOTS DEFINING ALIQUOT SECTOR PRONGS IN SAID HEAD PORTION, A SCREW-HEAD COMPRISED OF IMPACT-RESISTANT, HIGH MODULUS OF ELASTICITY, THERMOPLASTIC MATERIAL SURROUNDING SAID HEAD PORTION AND FILLING SAID SLOTS AS A UNITARY MASS, SAID SCREW-HEAD BEING OF PERIPHERAL EQUILATERNAL GEOMETRIC CONFIGURATION IN ITS CENTRAL PORTION IN THE REGION OF SAID PRONGS, A RADIAL FLANGE INTEGRAL WITH SAID SCREW-HEAD ADJACENT TO SAID THREADED SHAFT, AND A SHAFTWARDLY CONCAVE SHIRT OF SAID UNITARY MASS BETWEEN SAID RADIAL FLANGE AND SAID SHAFT.
References Cited (Backward Citations)
US2272552A
Cited
US2850064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |