US932520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable spraying apparatus.
Assignee: Individual
•
Filing: 1907-04-17
•
Granted: 1909-08-31
•
Expires: 1927-04-17
Abstract
No abstract record available.
Inventors
- 👤 Dwight W Wadsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:05
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/027; E; E03; E03C; E03C1/00; E03C1/02; E03C1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7912
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) | 1912-08-30 | 1913-03-01 | 1913-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-08-30 | 1917-03-01 | 1917-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-08-30 | 1921-03-01 | 1921-08-31 | $7700.00 | Window Closed / Lapsed |