US2984647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic linear condensation polymers
Assignee: British Nylon Spinners Ltd
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Filing: 1959-06-11
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Granted: 1961-05-16
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Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 White Trevor Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:41
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A SYNTHETIC LINEAR POLYAMIDE IN WHICH THERE HAS BEEN INCORPORATED A SMALL QUANTITY OF A PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF DIVALENT MANGANESE PHOSPHATES AND COMPLEX PHOSPHATES OF DIVALENT MANGANESE TOGETHER WITH A CATION SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND ALKALI METALS.
Claim 2
Dependent Claim
45 words
A SYNTHETIC LINEAR POLYAMIDE IN WHICH THERE HAS BEEN INCORPORATED A SMALL QUANTITY OF A PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF DIVALENT MANGANESE PHOSPHATES AND COMPLEX PHOSPHATES OF DIVALENT MANGANESE TOGETHER WITH A CATION SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND ALKALI METALS.
References Cited (Backward Citations)
FR955259A
Cited
US2887462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |