US2545489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device
Assignee: Individual
•
Filing: 1946-03-29
•
Granted: 1951-03-20
•
Expires: 1966-03-29
Abstract
No abstract record available.
Inventors
- 👤 Edward O Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:04
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/08; B05B3/082; B05B3/085; B05B3/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647918A
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US1693053A
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US1782309A
Cited
US2084621A
Cited
US1939364A
Cited
US2099988A
Cited
US2086921A
Cited
US2023710A
Cited
US2063048A
Cited
US2251457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |