US2996783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of shaping sic by vaporization and condensation
Assignee: Horizons Inc
•
Filing: 1958-11-24
•
Granted: 1961-08-22
•
Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Edward F Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:50
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/56; C04B35/565; C04B35/66; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259; Y10T428/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US650235A
Cited
US1804361A
Cited
US1982012A
Cited
US2188693A
Cited
US2854364A
Cited
US2922213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |