Patent US3077040A successfully refreshed from Google Patents.
US3077040A
Expired / Lapsed
US
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Methods for forming a color impregnation of transparent geometrical shapes
Assignee: Individual
•
Filing: 1959-10-09
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Granted: 1963-02-12
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Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Stieber
- 👤 John B Weldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
B; B29; B29C; B29C51/00; G; G09; G09B; G09B27/00; G09B27/08; B29L; B29L2031/00; B29L2031/722; Y; Y10; Y10S; Y10S425/00; Y10S425/811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2228736A
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US2468731A
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US2493439A
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US2722038A
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US2643598A
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US2601700A
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US2662033A
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US2811744A
Cited
US2916393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |