US2380827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple spraying device
Assignee: ROY F ALDER
•
Filing: 1939-06-17
•
Granted: 1945-07-31
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Expires: 1959-06-17
Abstract
No abstract record available.
Inventors
- 👤 Austin H Downs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:50
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2489; B05B7/2497; B05B7/02; B05B7/08; B05B7/0807; B05B7/0846; B05B7/12; B05B7/1254; B05B7/1263; B05B7/1272; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-07-30 | 1949-01-29 | 1949-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-07-30 | 1953-01-29 | 1953-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-07-30 | 1957-01-29 | 1957-07-31 | $7700.00 | Window Closed / Lapsed |