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US2811391A
Expired / Lapsed
US
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Electric spray-gun
Assignee: Individual
•
Filing: 1953-12-10
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Granted: 1957-10-29
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Expires: 1973-12-10
Abstract
No abstract record available.
Inventors
- 👤 Krebs Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:39
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/085; B05B9/0855; B05B9/0861; A; A61; A61L; A61L15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2410692A
Cited
GB625419A
Cited
US2462001A
Cited
CH259232A
Cited
US2494837A
Cited
DE855826C
Cited
US2704690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |