US2457993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device
Assignee: LOWELL SPECIALTY Co
•
Filing: 1944-07-20
•
Granted: 1949-01-04
•
Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Fletcher Lynn
- 👤 Winks John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:50
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/3066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450679A
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US1380950A
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US743895A
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US1011314A
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US1580828A
Cited
US2043477A
Cited
US2048858A
Cited
US2208850A
Cited
US2281142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |