US1300160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poisonous-vapor generator for aeroplanes.
Assignee: HARRIET PHELPS GLOVER
•
Filing: 1918-06-18
•
Granted: 1919-04-08
•
Expires: 1938-06-18
Abstract
No abstract record available.
Inventors
- 👤 George Horton Glover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:10
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/16; Y; Y10; Y10S; Y10S43/00; Y10S43/90
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) | 1922-04-07 | 1922-10-07 | 1923-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-04-07 | 1926-10-07 | 1927-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-04-07 | 1930-10-07 | 1931-04-08 | $7700.00 | Window Closed / Lapsed |