US1235779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting-machine.
Assignee: US Light and Heat Corp
•
Filing: 1915-12-17
•
Granted: 1917-08-07
•
Expires: 1935-12-17
Abstract
No abstract record available.
Inventors
- 👤 Frank Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:15
CPC Classifications
B; B22; B22D; B22D25/00; B22D25/02; B22D25/04; Y; Y10; Y10S; Y10S164/00; Y10S164/01
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) | 1920-08-06 | 1921-02-05 | 1921-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-06 | 1925-02-05 | 1925-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-06 | 1929-02-05 | 1929-08-07 | $7700.00 | Window Closed / Lapsed |