US1662613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional key
Assignee: Individual
•
Filing: 1927-04-18
•
Granted: 1928-03-13
•
Expires: 1947-04-18
Abstract
No abstract record available.
Inventors
- 👤 Roger C Laynor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
E; E05; E05B; E05B19/00; E05B19/18; E05B35/00; E05B35/08; E05B35/12; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7802; Y10T70/7819
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) | 1931-03-13 | 1931-09-12 | 1932-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-13 | 1935-09-12 | 1936-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-13 | 1939-09-12 | 1940-03-13 | $7700.00 | Window Closed / Lapsed |