US3141860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-resistant polyolefine composition
Assignee: Huels AG
•
Filing: 1960-12-20
•
Granted: 1964-07-21
•
Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Sauer Hermann
- 👤 Schmidt Alfred
- 👤 Kopetz Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:27
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/2279; C08K5/00; C08K5/02; C08K5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
FLAME-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF AN A-MONO-OLEFINIC HOMOPOLYMER, ANTIMONY TRIOXIDE AND A BROMINE CONTAINING COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
19 words
FLAME-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF AN A-MONO-OLEFINIC HOMOPOLYMER, ANTIMONY TRIOXIDE AND A BROMINE CONTAINING COMPOUND OF THE GENERAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |