US3473511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roving impregnating apparatus for use in making filament wound structures
Assignee: BRUCE E METZ
•
Filing: 1969-03-11
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Granted: 1969-10-21
•
Expires: 1989-03-11
Abstract
No abstract record available.
Inventors
- 👤 Bruce E Metz
- 👤 James T Paul Jr
- 👤 James A Le Noir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/80; B29C53/8008; B29C53/8066; B05; B05D; B05D7/00; B05D7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144595A
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US1797249A
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US1805145A
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US2193887A
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US2293840A
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US3025205A
Cited
US3140594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |