Patent US990490A successfully refreshed from Google Patents.
US990490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making patterns for triple signs.
Assignee: ALBERT E HEEKIN
•
Filing: 1911-03-17
•
Granted: 1911-04-25
•
Expires: 1931-03-17
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/14
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) | 1914-04-24 | 1914-10-24 | 1915-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-24 | 1918-10-24 | 1919-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-24 | 1922-10-24 | 1923-04-25 | $7700.00 | Window Closed / Lapsed |