Patent US1129757A successfully refreshed from Google Patents.
Patent US1548948A successfully refreshed from Google Patents.
Patent US1992722A successfully refreshed from Google Patents.
US1992722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
smith
Assignee: —
•
Filing: —
•
Granted: 1935-02-26
•
Expires: 1952-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:02
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/14; A24C5/28; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2183; Y10T83/00; Y10T83/263; Y10T83/465; Y10T83/4734; Y10T83/869; Y10T83/872; Y10T83/8722; Y10T83/8789; Y10T83/8794; Y10T83/929; Y10T83/9372; Y10T83/9406
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) | 1938-02-25 | 1938-08-27 | 1939-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-25 | 1942-08-27 | 1943-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-25 | 1946-08-27 | 1947-02-26 | $7700.00 | Window Closed / Lapsed |