US1559941A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1924-09-05
•
Granted: 1925-11-03
•
Expires: 1944-09-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Demaree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:59
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/02; E03B3/03; Y; Y02; Y02A; Y02A20/00; Y02A20/108
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) | 1928-11-02 | 1929-05-04 | 1929-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-11-02 | 1933-05-04 | 1933-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-11-02 | 1937-05-04 | 1937-11-03 | $7700.00 | Window Closed / Lapsed |