Patent US3483141A successfully refreshed from Google Patents.
US3483141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon-nitrogen backbone chain polymers
Assignee: Honeywell International Inc
•
Filing: 1964-07-13
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Granted: 1969-12-09
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Morton H Litt
- 👤 Alan J Levy
- 👤 Taghi G Bassiri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:24
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0233; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/61
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A PROCESS FOR THE PREPARATION OF POLYMERS COMPRISING RECURRING UNITS OF THE FORMULA
Claim 2
Dependent Claim
13 words
A PROCESS FOR THE PREPARATION OF POLYMERS COMPRISING RECURRING UNITS OF THE FORMULA
Claim 3
Dependent Claim
8 words
A POLYMER COMPRISING RECURRING UNITS OF THE FORMULA:
Claim 4
Dependent Claim
8 words
A POLYMER COMPRISING RECURRING UNITS OF THE FORMULA:
Claim 5
Dependent Claim
15 words
A HIGH MOLECULAR WEIGHT, SUBSTANTIALLY LINEAR POLYMER CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
Claim 6
Dependent Claim
15 words
A HIGH MOLECULAR WEIGHT, SUBSTANTIALLY LINEAR POLYMER CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |