US3345320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remoistenable hot-melt adhesives containing plasticized copolymers of nvinyl lactams
Assignee: GAF Chemicals Corp
•
Filing: 1964-05-25
•
Granted: 1967-10-03
•
Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Melville W Uffner
- 👤 Weitz Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
C; C09; C09J; C09J139/00; C09J139/04; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A REMOISTENABLE HOT-MELT ADHESIVE CONSISTIONG ESSENTIALLY OF (A) FROM 50 TO 100 PARTS OF A COPOLYMER OF AN N-VINYL LACTAM OF THE FORMULA:
Claim 2
Dependent Claim
23 words
A REMOISTENABLE HOT-MELT ADHESIVE CONSISTIONG ESSENTIALLY OF (A) FROM 50 TO 100 PARTS OF A COPOLYMER OF AN N-VINYL LACTAM OF THE FORMULA:
References Cited (Backward Citations)
US2667473A
Cited
US2958614A
Cited
US2941980A
Cited
US3153640A
Cited
US3158589A
Cited
US3166525A
Cited
US3096202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |