US3539664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Homogeneous nylon graft copolymers onto ethylene copolymer backbones
Assignee: Honeywell International Inc
•
Filing: 1968-02-14
•
Granted: 1970-11-10
•
Expires: 1988-02-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond Joseph Kray
- 👤 Allen Foster Higbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:35
CPC Classifications
C; C08; C08G; C08G69/00; Y; Y10; Y10S; Y10S525/00; Y10S525/932
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3136738A
Cited
US3243476A
Cited
US3243477A
Cited
US3325561A
Cited
US3388186A
Cited
US3465059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |