Patent US3067818A successfully refreshed from Google Patents.
US3067818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat distributor
Assignee: Trane Co
•
Filing: 1959-07-27
•
Granted: 1962-12-11
•
Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Chester D Ware
- 👤 Ploeg Marvin L Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:53
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/10; F28D7/106; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/483; Y10S165/484
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |