Patent US3516853A successfully refreshed from Google Patents.
US3516853A
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US
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Process for flameproofing polymeric materials
Assignee: JP Stevens and Co Inc
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Filing: 1967-10-17
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Granted: 1970-06-23
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Expires: 1987-10-17
Abstract
No abstract record available.
Inventors
- 👤 Giuliana C Tesoro
- 👤 Wing-Kai Lee
- 👤 Kelvin B Domovs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5353; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C09; C09D; C09D5/00; C09D5/18; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; D06M13/322; D06M13/487; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2672; Y10T442/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2681920A
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US3244697A
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US3146228A
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US3188341A
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US3381063A
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US3312520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |