Patent US3105786A successfully refreshed from Google Patents.
US3105786A
Expired / Lapsed
US
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Method of forming a fiber-reinforced resinous spool
Assignee: AO Smith Corp
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Filing: 1960-05-05
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Granted: 1963-10-01
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Archie C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:14
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/50; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF FABRICATING A REFORCED RESINOUS SPOOL HAVING A TUBULAR CORE AND A PAIR OF SPACED END MEMBERS EXTENDING OUTWARDLY FROM THE CORE, COMPRISING APPLYING FIBROUS MATERIAL COATED WITH A RESIN BINDER ON A MANDREL TO FORM THE TUBULAR CORE, DISPOSING AN ANNULAR CENTRAL FORM ON THE OUTER SURFACE OF TGE TUBULAR CORE, DISPOSING AN ANNULAR END FROM ON THE TUBULAR CORE ON EITHER SIDE OF SAID CENTRAL FORM WITH THE END SURFACE OF THE END FORMS BEIBG SPACED FROM THE CORRESPONDING END SURFACE OF THE CENTRAL FORM TO PROVIDE CLEARANCE THERE-
Claim 2
Independent Claim
93 words
A METHOD OF FABRICATING A REFORCED RESINOUS SPOOL HAVING A TUBULAR CORE AND A PAIR OF SPACED END MEMBERS EXTENDING OUTWARDLY FROM THE CORE, COMPRISING APPLYING FIBROUS MATERIAL COATED WITH A RESIN BINDER ON A MANDREL TO FORM THE TUBULAR CORE, DISPOSING AN ANNULAR CENTRAL FORM ON THE OUTER SURFACE OF TGE TUBULAR CORE, DISPOSING AN ANNULAR END FROM ON THE TUBULAR CORE ON EITHER SIDE OF SAID CENTRAL FORM WITH THE END SURFACE OF THE END FORMS BEIBG SPACED FROM THE CORRESPONDING END SURFACE OF THE CENTRAL FORM TO PROVIDE CLEARANCE THERE-
References Cited (Backward Citations)
US2732817A
Cited
US1236357A
Cited
US2221470A
Cited
US2432270A
Cited
US2987217A
Cited
US2991210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |