US2979075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device
Assignee: Fisons Pest Control Ltd
•
Filing: 1956-07-02
•
Granted: 1961-04-11
•
Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Hartley Gilbert Spencer
- 👤 Brunskill Robert Thompson
- 👤 Pfeiffer Rudolf Koloman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:02
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0089; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/8593; Y10T137/86187; Y10T137/86196
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2618576A
Cited
US1932531A
Cited
US2109384A
Cited
US2587085A
Cited
GB668246A
Cited
US2722453A
Cited
US2740414A
Cited
US2740664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |