Patent US2192860A successfully refreshed from Google Patents.
US2192860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking method and apparatus
Assignee: —
•
Filing: —
•
Granted: 1940-03-05
•
Expires: 1957-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:47
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/30; B42D25/36; B42D25/378; B42D25/391; B42D25/351; G; G07; G07D; G07D7/00; G07D7/06; G07D7/12; G07D7/128
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) | 1943-03-05 | 1943-09-04 | 1944-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-05 | 1947-09-04 | 1948-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-05 | 1951-09-04 | 1952-03-05 | $7700.00 | Window Closed / Lapsed |