US3015598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacturing absorbent diaphragms
Assignee: Individual
•
Filing: 1958-11-03
•
Granted: 1962-01-02
•
Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Jones John Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:18
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR MANUFACTURING A SINGLE USE, ABSORBENT DIAPHRAGM, THE STEPS COMPRISING: FORMING A THERMOPLASTIC REINFORCING RING AND A THERMOPLASTIC SHEET INTO A THERMOSPLASTIC WEB; LAMINATING INTERIORLY OF SAID RING CELLULOSIC FIBERS TO TWO SURFACES OF SAID THERMOSPLASTIC WEB, SAID CELLULOSIC FIBERS BEING IN A MOVABLE SPACED RELATIONSHIP, TO FORM A LAMINATED PLY STRUCTURE; AND FORMING SAID LAMINATED PLY STRUCTURE INTO A STRETCHED SPHEROIDAL SHAPED DIAPHRAGM.
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR MANUFACTURING A SINGLE USE, ABSORBENT DIAPHRAGM, THE STEPS COMPRISING: FORMING A THERMOPLASTIC REINFORCING RING AND A THERMOPLASTIC SHEET INTO A THERMOSPLASTIC WEB; LAMINATING INTERIORLY OF SAID RING CELLULOSIC FIBERS TO TWO SURFACES OF SAID THERMOSPLASTIC WEB, SAID CELLULOSIC FIBERS BEING IN A MOVABLE SPACED RELATIONSHIP, TO FORM A LAMINATED PLY STRUCTURE; AND FORMING SAID LAMINATED PLY STRUCTURE INTO A STRETCHED SPHEROIDAL SHAPED DIAPHRAGM.
References Cited (Backward Citations)
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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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |