US1742861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building
Assignee: Individual
•
Filing: 1924-03-24
•
Granted: 1930-01-07
•
Expires: 1944-03-24
Abstract
No abstract record available.
Inventors
- 👤 Chester F Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:34
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; F; F24; F24S; F24S20/00; F24S20/60; F24S20/66; F24S40/00; F24S40/10; F24S60/00; F24S60/30; Y; Y02; Y02B; Y02B10/00; Y02B10/20; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
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) | 1933-01-06 | 1933-07-08 | 1934-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-06 | 1937-07-08 | 1938-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-06 | 1941-07-08 | 1942-01-07 | $7700.00 | Window Closed / Lapsed |