US2969463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastics-treating apparatus
Assignee: —
•
Filing: 1959-03-16
•
Granted: 1961-01-24
•
Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:18
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/10; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/09; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; B29C48/915; B29C48/9165; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B41M1/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE40032C
Cited
US752419A
Cited
DE658985C
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DE659781C
Cited
US1613045A
Cited
US2573881A
Cited
US2879396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |