Patent US4217646A successfully refreshed from Google Patents.
Patent US2486258A successfully refreshed from Google Patents.
US2486258A
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Method for producing films bearing designs
Assignee: Chavannes Industrial Synthetics Inc
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Filing: 1946-03-22
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Granted: 1949-10-25
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Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Marc A Chavannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:49
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/005; B29; B29D; B29D7/00; B29D7/01; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B44C1/00; B44C1/16; B44C1/22; B44C1/26; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24736; Y10T428/24802; Y10T428/24851; Y10T428/2486
Claims Analysis
Total Claims: 0
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US2020684A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |