US3507275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouth flushing apparatus
Assignee: Individual
•
Filing: 1966-08-17
•
Granted: 1970-04-21
•
Expires: 1986-08-17
Abstract
No abstract record available.
Inventors
- 👤 Robert J Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:06
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/22; A; A61; A61C; A61C17/00; A61C17/02; A61C17/028; A61C17/032; B; B05; B05B; B05B1/00; B05B1/02; B05B1/08; Y; Y10; Y10S; Y10S128/00; Y10S128/10; Y10S239/00; Y10S239/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA551142A
Cited
CA674665A
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CA693965A
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US1979006A
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US2564639A
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US2550565A
Cited
US2672143A
Cited
US3227158A
Cited
US3227380A
Cited
US3244189A
Cited
US3213471A
Cited
US3379192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |