US3081644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Close tolerance anti-friction component assembly
Assignee: GEMMER MANUFACTURING Co
•
Filing: 1959-10-05
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Granted: 1963-03-19
•
Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Hudgens
- 👤 Charles F Hammond
- 👤 Ralph P Kohlitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:59
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; B; B29; B29C; B29C45/00; B29C45/14; B29C45/14598; B29C45/14622; B29C45/14754; F16H2025/249; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18728; Y10T74/18744; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN ANTI-FRICTION ASSEMBLY COMPRISING A FIRST MEMBER AND A SECOND MEMBER HAVING COMPLEMENTARY CLOSELY MATING SURFACES, ONE SAID MEMBER BEING MOVABLE RELATIVE TO THE OTHER, THE MATING SURFACE ON SAID FIRST MEMBER HAVING A GREATER DIMENSIONAL ACCURACY THAN THE MATING SURFACE ON SAID SECOND MEMBER WHEREBY A SPACE EXISTS BETWEEN THE MATING SURFACES OF SAID MEMBERS, A RELEASE AGENT ON THE MATING SURFACE OF SAID FIRST MEMBER AND A FILM COATING OF SUBSTANTIALLY HOMOGENEOUS PLASTIC MATERIAL ADHERED DIRECTLY TO THE MATING SURFACES OF THE SECOND MEMBER WHICH HAS THE LESSER DIMENSIONAL ACCURACY AND FORMED IN SITU TO SUBSTANTIALLY FILL THE SPACE BETWEEN SAID MEMBERS, THEREBY PROVIDING A LOW FRICTION SURFACE ADJACENT THE MATING SURFACE OF SAID SECOND MEMBER.
Claim 2
Dependent Claim
118 words
AN ANTI-FRICTION ASSEMBLY COMPRISING A FIRST MEMBER AND A SECOND MEMBER HAVING COMPLEMENTARY CLOSELY MATING SURFACES, ONE SAID MEMBER BEING MOVABLE RELATIVE TO THE OTHER, THE MATING SURFACE ON SAID FIRST MEMBER HAVING A GREATER DIMENSIONAL ACCURACY THAN THE MATING SURFACE ON SAID SECOND MEMBER WHEREBY A SPACE EXISTS BETWEEN THE MATING SURFACES OF SAID MEMBERS, A RELEASE AGENT ON THE MATING SURFACE OF SAID FIRST MEMBER AND A FILM COATING OF SUBSTANTIALLY HOMOGENEOUS PLASTIC MATERIAL ADHERED DIRECTLY TO THE MATING SURFACES OF THE SECOND MEMBER WHICH HAS THE LESSER DIMENSIONAL ACCURACY AND FORMED IN SITU TO SUBSTANTIALLY FILL THE SPACE BETWEEN SAID MEMBERS, THEREBY PROVIDING A LOW FRICTION SURFACE ADJACENT THE MATING SURFACE OF SAID SECOND MEMBER.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |