US2543882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical heating system for damp places
Assignee: Individual
•
Filing: 1949-03-05
•
Granted: 1951-03-06
•
Expires: 1969-03-05
Abstract
No abstract record available.
Inventors
- 👤 Reuben S Tice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
F; F24; F24D; F24D13/00; F24D13/02; F24D13/022; F24D13/024; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE398725C
Cited
US1142771A
Cited
US1349136A
Cited
GB187739A
Cited
GB224321A
Cited
US1771269A
Cited
US1993600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |