Patent US1130917A successfully refreshed from Google Patents.
US1163659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing electric heaters.
Assignee: Individual
•
Filing: 1914-05-14
•
Granted: 1915-12-14
•
Expires: 1934-05-14
Abstract
No abstract record available.
Inventors
- 👤 William S Hadaway Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:20
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B2203/00; H05B2203/017
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1918-12-13 | 1919-06-14 | 1919-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-12-13 | 1923-06-14 | 1923-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-12-13 | 1927-06-14 | 1927-12-14 | $7700.00 | Window Closed / Lapsed |