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US2991808A
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Reinforced articles and method of making
Assignee: Saint Gobain Performance Plastics Corp
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Filing: 1958-03-17
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Granted: 1961-07-11
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Henry A Siegmann
- 👤 William J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:48
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/12; F16L9/133; F16L9/121; Y; Y10; Y10S; Y10S138/00; Y10S138/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2536243A
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US2789063A
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US2783173A
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US2828236A
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US2824033A
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US2932597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |