US3033247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented non-drip liquid dispensing device
Assignee: LINDEN H CHANDLER
•
Filing: 1961-09-11
•
Granted: 1962-05-08
•
Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard W Beall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:52
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US919913A
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FR390032A
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US966270A
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US1345965A
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US1372876A
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US2031172A
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US2337276A
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US2504276A
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US2463922A
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US2685396A
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US2724535A
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US2761606A
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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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |