US3018970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated liquid sprayers
Assignee: Individual
•
Filing: 1959-11-18
•
Granted: 1962-01-30
•
Expires: 1979-11-18
Abstract
No abstract record available.
Inventors
- 👤 Edward H Wittenberg
- 👤 Jerome H Chopa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243192A
Cited
DE588631C
Cited
GB412374A
Cited
US2199110A
Cited
US2339876A
Cited
US2419750A
Cited
US2924359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |