US1653378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bimetallic wire
Assignee: Westinghouse Lamp Co
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Filing: 1922-07-01
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Granted: 1927-12-20
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Expires: 1942-07-01
Abstract
No abstract record available.
Inventors
- 👤 Steel Benjamin Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:06
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12937; Y10T428/12944; Y10T428/12951
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) | 1930-12-19 | 1931-06-20 | 1931-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-19 | 1935-06-20 | 1935-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-19 | 1939-06-20 | 1939-12-20 | $7700.00 | Window Closed / Lapsed |