US3397671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reminder-dispenser device
Assignee: Sparks Corp
•
Filing: 1965-03-22
•
Granted: 1968-08-20
•
Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Maurice D Hartman
- 👤 Jr Raymond Finkelston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/142; A61J; A61J1/00; A61J1/03; A61J1/035; A61J7/00; A61J7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US364623A
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US2050170A
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US2652149A
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US2942727A
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US3182791A
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US3283885A
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US3199489A
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US3305077A
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US3302777A
Cited
US3276573A
Cited
US3302775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |