US2424110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing with partially hydrolyzed polyvinyl acetate
Assignee: Shawinigan Chemicals Ltd
•
Filing: 1942-11-09
•
Granted: 1947-07-15
•
Expires: 1962-11-09
Abstract
No abstract record available.
Inventors
- 👤 Morrison George Osman
- 👤 Shaw Thomas Patton Gladstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:36
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/35; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24843; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2135075A
Cited
GB494929A
Cited
US2263015A
Cited
US2301664A
Cited
US2251296A
Cited
US2273452A
Cited
US2250674A
Cited
US2341398A
Cited
US2250681A
Cited
US2399338A
Cited
US2306400A
Cited
US2310292A
Cited
US2328844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |