US989547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curve-scriber.
Assignee: DESIGNERS RULE Co
•
Filing: 1910-08-31
•
Granted: 1911-04-11
•
Expires: 1930-08-31
Abstract
No abstract record available.
Inventors
- 👤 Albert Gran
- 👤 Julius H Karlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:05
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/20; B43L13/22
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) | 1914-04-10 | 1914-10-10 | 1915-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-10 | 1918-10-10 | 1919-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-10 | 1922-10-10 | 1923-04-11 | $7700.00 | Window Closed / Lapsed |