Patent WO1992012156A1 successfully refreshed from Google Patents.
US1903122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown assemblage
Assignee: CONVERTIBLE DOOR Manufacturing Co
•
Filing: 1931-11-16
•
Granted: 1933-03-28
•
Expires: 1951-11-16
Abstract
No abstract record available.
Inventors
- 👤 Otto H Merz
- 👤 Raymond A Arndt
- 👤 Carl B Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:23
CPC Classifications
A; A01; A01G; A01G17/00; A01G17/04; A01G17/06; A01G9/00; A01G9/12; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T403/00; Y10T403/49; Y10T403/4974; Y10T403/57; Y10T403/5761; Y10T403/5786
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-03-27 | 1936-09-26 | 1937-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-27 | 1940-09-26 | 1941-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-27 | 1944-09-26 | 1945-03-28 | $7700.00 | Window Closed / Lapsed |