US2687739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for spraying apparatus
Assignee: Individual
•
Filing: 1950-10-05
•
Granted: 1954-08-31
•
Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 Shelburne Augustine
- 👤 John T Shelburne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:33
CPC Classifications
B; B05; B05B; B05B12/00; B05B12/08; B05B12/085; B05B12/087; B05B12/088; B05B7/00; B05B7/24; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703; Y10T137/2705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1196691A
Cited
US1765398A
Cited
US2223044A
Cited
US2447408A
Cited
US2545246A
Cited
US2558681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |