Patent US4686877A successfully refreshed from Google Patents.
Patent US3528998A successfully refreshed from Google Patents.
US3528998A
Expired / Lapsed
US
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Amino epoxy phosphonates
Assignee: JP Stevens and Co Inc
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Filing: 1966-06-24
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Granted: 1970-09-15
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Expires: 1986-06-24
Abstract
No abstract record available.
Inventors
- 👤 Giuliana C Tesoro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:07
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/36; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/655; C07F9/65502; C07F9/65505; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1052354B
Cited
US3455877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |