US1432064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater element
Assignee: Individual
•
Filing: 1917-06-27
•
Granted: 1922-10-17
•
Expires: 1937-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William S Hadaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:41
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/48; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/31504; Y10T428/31678
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) | 1925-10-16 | 1926-04-17 | 1926-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-16 | 1930-04-17 | 1930-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-16 | 1934-04-17 | 1934-10-17 | $7700.00 | Window Closed / Lapsed |