US3055144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporizer for preventing frost damage to agricultural crops
Assignee: General Implement Corp
•
Filing: 1959-03-02
•
Granted: 1962-09-25
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Harold D Johnson
- 👤 Robert W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/06; A01G13/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US666685A
Cited
US913442A
Cited
US1006534A
Cited
US1135368A
Cited
US1499894A
Cited
US2223597A
Cited
US2209658A
Cited
US2175422A
Cited
US2322502A
Cited
US2632978A
Cited
US2712714A
Cited
FR1051128A
Cited
FR67211E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |