Patent US2641085A successfully refreshed from Google Patents.
US2641085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater for fields, orchards, and the like
Assignee: Individual
•
Filing: 1950-09-21
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Granted: 1953-06-09
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Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Robinson
- 👤 Henry A Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:08
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317959A
Cited
US1357314A
Cited
US1449311A
Cited
US1437149A
Cited
US1571969A
Cited
US1536792A
Cited
US2223597A
Cited
US2577410A
Cited
US2522935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |