Patent US1647406A successfully refreshed from Google Patents.
US1647406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bracket
Assignee: Individual
•
Filing: 1925-06-26
•
Granted: 1927-11-01
•
Expires: 1945-06-26
Abstract
No abstract record available.
Inventors
- 👤 John O Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:09
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1417; E04H17/1447
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) | 1930-10-31 | 1931-05-02 | 1931-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-31 | 1935-05-02 | 1935-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-31 | 1939-05-02 | 1939-11-01 | $7700.00 | Window Closed / Lapsed |