US1259238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type-holder.
Assignee: PITTSBURGH STEEL STAMP Co
•
Filing: 1917-12-20
•
Granted: 1918-03-12
•
Expires: 1937-12-20
Abstract
No abstract record available.
Inventors
- 👤 Edward T Hudspeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:10
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/02; B44B5/026
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) | 1921-03-11 | 1921-09-10 | 1922-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-03-11 | 1925-09-10 | 1926-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-03-11 | 1929-09-10 | 1930-03-12 | $7700.00 | Window Closed / Lapsed |