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US2977635A
Expired / Lapsed
US
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Process for tinting art objects
Assignee: EDITH E MILLER
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Filing: 1958-05-09
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Granted: 1961-04-04
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Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Felix F Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:40
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; B44; B44D; B44D2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525024A
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US1151701A
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US1937484A
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US2046954A
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US2208494A
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US2470918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |