US1476789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-blast heater
Assignee: Individual
•
Filing: 1921-04-07
•
Granted: 1923-12-11
•
Expires: 1941-04-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Bassler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:30
CPC Classifications
C; C21; C21B; C21B9/00; C21B9/10; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/302; Y10S165/303; Y10S165/304; Y10S165/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-12-10 | 1927-06-11 | 1927-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-10 | 1931-06-11 | 1931-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-10 | 1935-06-11 | 1935-12-11 | $7700.00 | Window Closed / Lapsed |