US2135997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic heliostat
Assignee: "ARTHEL" (SOCIETE D'EXPLOITATION DES BREVETS JACQUES ARTHUYS)
•
Filing: 1936-10-03
•
Granted: 1938-11-08
•
Expires: 1956-10-03
Abstract
No abstract record available.
Inventors
- 👤 Arthuys Jacques Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:35
CPC Classifications
F; F21; F21S; F21S11/00; F24; F24S; F24S30/00; F24S30/40; F24S30/45; F24S30/452; F24S2030/10; F24S2030/13; F24S2030/133; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/47
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1941-11-07 | 1942-05-09 | 1942-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-07 | 1946-05-09 | 1946-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-07 | 1950-05-09 | 1950-11-08 | $7700.00 | Window Closed / Lapsed |