Patent US4192677A successfully refreshed from Google Patents.
Patent FR456235A successfully refreshed from Google Patents.
Patent US1428836A successfully refreshed from Google Patents.
Patent US2821353A successfully refreshed from Google Patents.
Patent US3879055A successfully refreshed from Google Patents.
Patent US1161407A successfully refreshed from Google Patents.
US1161407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ironing-board.
Assignee: Individual
•
Filing: 1915-04-21
•
Granted: 1915-11-23
•
Expires: 1935-04-21
Abstract
No abstract record available.
Inventors
- 👤 Oscar F Northrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:12
CPC Classifications
A; A47; A47B; A47B9/00; A47B9/16; Y; Y10; Y10S; Y10S38/00; Y10S38/02; Y10S38/03
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) | 1918-11-22 | 1919-05-24 | 1919-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-22 | 1923-05-24 | 1923-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-22 | 1927-05-24 | 1927-11-23 | $7700.00 | Window Closed / Lapsed |