Patent US3411673A successfully refreshed from Google Patents.
US3411673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid spraying apparatus
Assignee: Individual
•
Filing: 1966-11-16
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Granted: 1968-11-19
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Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Mann Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:42
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/32; B; B05; B05B; B05B12/00; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B05B9/0409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |