US2172318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking device
Assignee: J L FERGUSON Co
•
Filing: 1938-01-17
•
Granted: 1939-09-05
•
Expires: 1958-01-17
Abstract
No abstract record available.
Inventors
- 👤 John L Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:41
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/12; B41K3/121; B41K3/125; B41K3/126; B41F; B41F17/00; B41F17/008; Y; Y10; Y10S; Y10S101/00; Y10S101/30
Claims Analysis
Total Claims: 0
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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) | 1942-09-04 | 1943-03-06 | 1943-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-04 | 1947-03-06 | 1947-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-04 | 1951-03-06 | 1951-09-05 | $7700.00 | Window Closed / Lapsed |