US2847691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain applicator
Assignee: Dupli Color Products Co
•
Filing: 1955-08-04
•
Granted: 1958-08-19
•
Expires: 1975-08-04
Abstract
No abstract record available.
Inventors
- 👤 Sigmund E Edelstone
- 👤 Wirt V Dunlop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:43
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596951A
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US1317562A
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US1253032A
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US1992607A
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US2029152A
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US2250444A
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US2299627A
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US2643409A
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CH280036A
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US2686925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |