Patent US3678190A successfully refreshed from Google Patents.
US1280249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for plating.
Assignee: AT&T Inc
•
Filing: 1917-01-15
•
Granted: 1918-10-01
•
Expires: 1937-01-15
Abstract
No abstract record available.
Inventors
- 👤 George Albert Landry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:47
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/10; C25D17/12; Y; Y10; Y10S; Y10S204/00; Y10S204/07
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) | 1921-09-30 | 1922-04-01 | 1922-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-30 | 1926-04-01 | 1926-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-30 | 1930-04-01 | 1930-10-01 | $7700.00 | Window Closed / Lapsed |