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US2417865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking device
Assignee: Individual
•
Filing: 1943-07-28
•
Granted: 1947-03-25
•
Expires: 1963-07-28
Abstract
No abstract record available.
Inventors
- 👤 James L Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:41
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/02; B44B5/026; B44B5/0004; B44B5/0009; B44B5/0014
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |