US2930593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning systems
Assignee: Borg Warner Corp
•
Filing: 1957-07-05
•
Granted: 1960-03-29
•
Expires: 1977-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robert D Blum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:57
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969187A
Cited
US2100110A
Cited
US2150224A
Cited
US2100867A
Cited
US2219815A
Cited
US2363294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |