Patent US5120311A successfully refreshed from Google Patents.
US2648017A
Expired / Lapsed
US
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Electrical spraying device
Assignee: Z & W Machine Products Inc
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Filing: 1949-07-27
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Granted: 1953-08-04
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Expires: 1969-07-27
Abstract
No abstract record available.
Inventors
- 👤 Ziherl Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:49
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/085; B05B9/0855; B05B9/0861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20510E
Cited
US1128412A
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US1881963A
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US2286888A
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US2346474A
Cited
US2480451A
Cited
US2494837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |