Patent US3471081A successfully refreshed from Google Patents.
Patent US2126196A successfully refreshed from Google Patents.
US2126196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for and method of effecting changes in plating
Assignee: Hemphill Co
•
Filing: 1929-04-16
•
Granted: 1938-08-09
•
Expires: 1949-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lawson
- 👤 Arthur N Cloutier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:29
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/10; D04B1/12; D04B1/126; D04B1/02; D04B15/00; D04B15/06; D04B9/00; D04B9/26; D04B9/28; D04B9/34
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) | 1941-08-08 | 1942-02-07 | 1942-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-08 | 1946-02-07 | 1946-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-08 | 1950-02-07 | 1950-08-09 | $7700.00 | Window Closed / Lapsed |