Patent US3822167A successfully refreshed from Google Patents.
US3822167A
Expired / Lapsed
US
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Apparatus for providing resistant hollow cylindrical body members
Assignee: Individual
•
Filing: 1972-03-03
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Granted: 1974-07-02
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Expires: 1992-03-03
Abstract
Abstract An apparatus by which resistant hollow cylindrical body members are provided by a trolley which rotates about a vertical cylindrical mold and distributes thread coils or glass webs impregnated with resin containing polymerizing catalysts on said mold. the distribution of threads in the form of coils is effected by a slide carried on the trolley and continuously upwards and downwards reciprocating.
Inventors
- 👤 A Piola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:28
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/68; B29C53/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |