Patent US2639808A successfully refreshed from Google Patents.
US2639808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging of tacky materials
Assignee: EIDP Inc
•
Filing: 1947-03-13
•
Granted: 1953-05-26
•
Expires: 1967-03-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Barry
- 👤 Jr Franklin S Chance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:25
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/052; C08J2323/00; C08J2323/26; C08J2323/32; C08J2423/00; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0853; C08L23/26; C08L23/32; C08L23/34; Y; Y10; Y10S; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US619810A
Cited
US931350A
Cited
US1056010A
Cited
US1607626A
Cited
US2310712A
Cited
US2352865A
Cited
US2332373A
Cited
GB567360A
Cited
US2394616A
Cited
US2403964A
Cited
US2396633A
Cited
US2572959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |