Patent US5415175A successfully refreshed from Google Patents.
US2583816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated chair
Assignee: Individual
•
Filing: 1947-01-09
•
Granted: 1952-01-29
•
Expires: 1967-01-09
Abstract
No abstract record available.
Inventors
- 👤 Glenn F Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:33
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/62; A47C7/72; A47C7/74; A47C7/748; Y; Y10; Y10S; Y10S454/00; Y10S454/907
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR406769A
Cited
DE504697C
Cited
FR429326A
Cited
US1167439A
Cited
FR552307A
Cited
US1568471A
Cited
US1576262A
Cited
US1889370A
Cited
US2336089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |