US2452260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating apparatus
Assignee: Golden State Co Ltd
•
Filing: 1944-12-23
•
Granted: 1948-10-26
•
Expires: 1964-12-23
Abstract
No abstract record available.
Inventors
- 👤 David D Peebles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:35
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; Y; Y10; Y10S; Y10S261/00; Y10S261/10
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) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |