Patent US2788426A successfully refreshed from Google Patents.
US2788426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating materials
Assignee: PLASTIC CONTAINERS Inc
•
Filing: 1952-09-03
•
Granted: 1957-04-09
•
Expires: 1972-09-03
Abstract
No abstract record available.
Inventors
- 👤 George K Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:50
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/04; H05B6/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1566500A
Cited
US2280771A
Cited
US2181871A
Cited
US2285370A
Cited
US2249909A
Cited
US2359285A
Cited
US2404404A
Cited
US2423054A
Cited
US2575251A
Cited
US2522082A
Cited
US2494716A
Cited
US2454708A
Cited
US2597825A
Cited
US2647200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |