US1532002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite quartz body
Assignee: General Electric Co
•
Filing: 1922-10-30
•
Granted: 1925-03-31
•
Expires: 1942-10-30
Abstract
No abstract record available.
Inventors
- 👤 Thomson Elihu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:46
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/203; Y; Y10; Y10S; Y10S65/00; Y10S65/08; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24562; Y10T428/24612
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) | 1928-03-30 | 1928-09-29 | 1929-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-30 | 1932-09-29 | 1933-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-30 | 1936-09-29 | 1937-03-31 | $7700.00 | Window Closed / Lapsed |