US1482455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quartz working
Assignee: General Electric Co
•
Filing: 1922-09-20
•
Granted: 1924-02-05
•
Expires: 1942-09-20
Abstract
No abstract record available.
Inventors
- 👤 Edward R Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:36
CPC Classifications
C; C03; C03B; C03B13/00; C03B13/14; C03B17/00; C03B17/04; C03B23/00; C03B23/04; C03B23/047; C03B23/0476; C03B23/06; C03B23/20; C03B23/207; Y; Y10; Y10S; Y10S65/00; Y10S65/08
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) | 1927-02-04 | 1927-08-06 | 1928-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-02-04 | 1931-08-06 | 1932-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-02-04 | 1935-08-06 | 1936-02-05 | $7700.00 | Window Closed / Lapsed |