Patent US1655718A successfully refreshed from Google Patents.
US1655718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Examiner
Assignee: —
•
Filing: —
•
Granted: 1928-01-10
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Expires: 1945-01-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:08
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B2111/00; C04B2111/00474; C04B2111/00612; C04B2111/0062; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249969; Y10T428/31504; Y10T428/31971; Y10T428/31993; Y10T428/31996
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) | 1931-01-09 | 1931-07-11 | 1932-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-09 | 1935-07-11 | 1936-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-09 | 1939-07-11 | 1940-01-10 | $7700.00 | Window Closed / Lapsed |