Patent US3549403A successfully refreshed from Google Patents.
US3549403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating paper with thermoplastic resins
Assignee: Eastman Kodak Co
•
Filing: 1968-02-19
•
Granted: 1970-12-22
•
Expires: 1988-02-19
Abstract
No abstract record available.
Inventors
- 👤 Robert F Williams Jr
- 👤 Herbert S Barbehenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:07
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/64; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; D21H23/50; Y; Y10; Y10S; Y10S493/00; Y10S493/901; Y10S493/906; Y10S493/908
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2513434A
Cited
US2775994A
Cited
US3047415A
Cited
US3039913A
Cited
US3112985A
Cited
US3385722A
Cited
US3297472A
Cited
US3256138A
Cited
US3338736A
Cited
US3442685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |