Patent US2854946A successfully refreshed from Google Patents.
US2854946A
Expired / Lapsed
US
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Spraying apparatus
Assignee: Individual
•
Filing: 1954-10-01
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Granted: 1958-10-07
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Edward O Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:00
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/0278; B05B14/00; B05B14/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2210927A
Cited
US2106187A
Cited
US2259626A
Cited
US2343668A
Cited
US2400315A
Cited
US2509276A
Cited
US2674167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |