US3474049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer foams reinforced with polyolefin fibers formed during the foaming process
Assignee: Monsanto Co
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Filing: 1966-01-03
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Granted: 1969-10-21
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 David C Chappelear
- 👤 Thomas J Stolki
- 👤 Quirino A Trementozzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:10
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0085; B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/50; B29C44/505; B29C70/00; B29C70/04; B29C70/06; B29C70/10; C08K; C08K7/00; C08K7/02; C08L; C08L23/00; C08L23/02; C08L25/00; C08L25/02; C08L25/04; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2233/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |