Patent US3442425A successfully refreshed from Google Patents.
US3442425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug valve assembly for aerosol bomb type dispensers of fluid products
Assignee: Novartis Corp
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Filing: 1967-12-28
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Granted: 1969-05-06
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Expires: 1987-12-28
Abstract
No abstract record available.
Inventors
- 👤 Charles D Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:11
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2424; B65; B65D; B65D83/00; B65D83/14; B65D83/60; B65D83/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3217936A
Cited
US3289949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |