US1986980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal building construction
Assignee: ROSTONE Inc
•
Filing: 1933-06-12
•
Granted: 1935-01-08
•
Expires: 1953-06-12
Abstract
No abstract record available.
Inventors
- 👤 David E Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; E04B1/2612; E04B1/24; E04B1/2403; F; F16; F16B; F16B5/00; F16B5/02; E04B2001/2418; E04B2001/2445; E04B2001/2448; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075
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) | 1938-01-07 | 1938-07-09 | 1939-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-01-07 | 1942-07-09 | 1943-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-01-07 | 1946-07-09 | 1947-01-08 | $7700.00 | Window Closed / Lapsed |