Patent US3537853A successfully refreshed from Google Patents.
US3537853A
Expired / Lapsed
US
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Process of forming printing plates,including the step of subjecting the mounted transparency to a surface static electricity eliminator
Assignee: WR Grace and Co
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Filing: 1968-10-04
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Granted: 1970-11-03
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Expires: 1988-10-04
Abstract
No abstract record available.
Inventors
- 👤 Forrest Ashton Wessells
- 👤 Donald P Gush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:12
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/20; G03F7/2002; G03F7/2014; B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; C; C08; C08F; C08F283/00; C08F283/01; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/834; C08G18/835; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08G75/12; G03F7/004; G03F7/027; G03F7/0275; G03F7/16; G03F7/2012; G03F7/2022; Y; Y10; Y10S; Y10S430/00; Y10S430/152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2945760A
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US3055758A
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US3145104A
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US3306745A
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US3427161A
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US3474292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |