US1439012A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1921-06-18
•
Granted: 1922-12-19
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Expires: 1941-06-18
Abstract
No abstract record available.
Inventors
- 👤 George A Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:29
CPC Classifications
E; E05; E05B; E05B35/00; E05B35/14; Y; Y10; Y10S; Y10S70/00; Y10S70/37; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7554
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) | 1925-12-18 | 1926-06-19 | 1926-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-18 | 1930-06-19 | 1930-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-18 | 1934-06-19 | 1934-12-19 | $7700.00 | Window Closed / Lapsed |