US3623928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-bonded filament wound article and process for making same
Assignee: Honeywell International Inc
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Filing: 1969-03-11
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Granted: 1971-11-30
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Expires: 1989-03-11
Abstract
Abstract THE ARTICLE IS MANUFACTURED BY WINDING A FILAMENT COMPOSED OF POLYMERS WHEREIN ONE POLYMER IS DISPERSED AS FIBRILS IN A LOWER MELTING POINT POLYMERIC MATRIX ONTO A MANDREL FOLLOWED BY BONDING THE FILAMENTS TOGETHER THROUGH HEATING THEM TO A TEMPERATURE ABOVE THE MELTING POINT OF THE MATRIX-FORMING POLYMER BUT BELOW THE MELTING POINT OF THE DISPERSED FIBRILS AND PERMITTING THEM TO BOTH SELF-BOND AND SELF-COMPACT DUE TO SHRINKAGE THEREOF.
Inventors
- 👤 Robert C Wincklhofer
- 👤 Gene C Weedon
- 👤 Robin B Mumford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:51
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; C; C08; C08J; C08J9/00; C08J9/24; C08L; C08L77/00; C08L77/02; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H3/00; D04H3/08; D04H3/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005
Claims Analysis
Total Claims: 0
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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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |