US3387850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a seal
Assignee: Acadia Elastomers Corp
•
Filing: 1965-10-08
•
Granted: 1968-06-11
•
Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Alex A Mastrobattista
- 👤 William J Fordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:20
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3284; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49861; Y10T29/49863; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
77 words
THE METHOD OF FORMING A SEAL, WHICH COMPRISES: FORMING A PLURALITY OF LAMINATE ANNULI, EACH OF THE LAMINATES BEING COMPRISED OF A LAMINA OF A LOW FRICTION INERT SYNTHETIC RESINOUS MATERIAL HAVING A THICKNESS IN THE RANGE OF .006-.25 INCH AND A LAMINA OF ELASTOMERIC MATERIAL; COAXIALLY POSITIONING A PLURALITY OF SAID LAMINATE ANNULI IN A CASING; AND AXIALLY COMPRESSING THE PLURALITY OF LAMINATE ANNULI AND SECURING THE LAMINATE ANNULI, WITHIN THE CASING, IN THEIR COMPRESSED RELATION.
Claim 2
Independent Claim
77 words
THE METHOD OF FORMING A SEAL, WHICH COMPRISES: FORMING A PLURALITY OF LAMINATE ANNULI, EACH OF THE LAMINATES BEING COMPRISED OF A LAMINA OF A LOW FRICTION INERT SYNTHETIC RESINOUS MATERIAL HAVING A THICKNESS IN THE RANGE OF .006-.25 INCH AND A LAMINA OF ELASTOMERIC MATERIAL; COAXIALLY POSITIONING A PLURALITY OF SAID LAMINATE ANNULI IN A CASING; AND AXIALLY COMPRESSING THE PLURALITY OF LAMINATE ANNULI AND SECURING THE LAMINATE ANNULI, WITHIN THE CASING, IN THEIR COMPRESSED RELATION.
Claim 3
Dependent Claim
34 words
THE METHOD AS DESCRIBED IN CLAIM 1, WHICH FURTHER COMPRISES: INSTALLING SAID UNIT BETWEEN RELATIVELY MOVABLE PARTS WITH A RESINOUS FACE OF ONE OF THE LAMINATES BEING IN CONTACT WITH THE FLUID BEING SEALED.
References Cited (Backward Citations)
US2049366A
Cited
US2122477A
Cited
US2225758A
Cited
US2743119A
Cited
US3173696A
Cited
US3099454A
Cited
US3214179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |