US3511235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental syringe
Assignee: Dentsply Sirona Inc
•
Filing: 1967-08-07
•
Granted: 1970-05-12
•
Expires: 1987-08-07
Abstract
No abstract record available.
Inventors
- 👤 George H Stram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:22
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/0217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1607827A
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US2839074A
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US3054402A
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US3006599A
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US3118650A
Cited
US3137297A
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US3228652A
Cited
US3254646A
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US3269694A
Cited
US3375823A
Cited
US3401691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |