US3168221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent means for bottles and jugs
Assignee: Individual
•
Filing: 1963-07-03
•
Granted: 1965-02-02
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Allen J Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:46
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2314167A
Cited
US2589415A
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US2546194A
Cited
US2771229A
Cited
US2812120A
Cited
US2796205A
Cited
US2915223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |