US806608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of materials suitable for insulating and other purposes.
Assignee: General Electric Co
•
Filing: 1903-04-13
•
Granted: 1905-12-05
•
Expires: 1923-04-13
Abstract
No abstract record available.
Inventors
- 👤 Willis R Whitney
- 👤 Ralph C Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/65; C04B35/652
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) | 1908-12-04 | 1909-06-05 | 1909-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-04 | 1913-06-05 | 1913-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-04 | 1917-06-05 | 1917-12-05 | $7700.00 | Window Closed / Lapsed |