US3396412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathtub
Assignee: LAWRENCE R FRANCOM
•
Filing: 1965-07-02
•
Granted: 1968-08-13
•
Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Francom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:17
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/02; A47K3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US580367A
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US3010116A
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US3113323A
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FR1298722A
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US3297025A
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US3263678A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |