Patent US2698646A successfully refreshed from Google Patents.
US2698646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding hot seat
Assignee: Individual
•
Filing: 1952-02-23
•
Granted: 1955-01-04
•
Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Hepworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
A; A01; A01M; A01M31/00; A47; A47C; A47C7/00; A47C7/62; A47C7/66; A47C7/72; A47C7/74; A47C7/748
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1372302A
Cited
US206422A
Cited
US278466A
Cited
US1194570A
Cited
US2581131A
Cited
US92779A
Cited
US963769A
Cited
US1094151A
Cited
US1192411A
Cited
US1238080A
Cited
FR482595A
Cited
US1745828A
Cited
DE668398C
Cited
US2244935A
Cited
US2532863A
Cited
US2583816A
Cited
US2517254A
Cited
US2483787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |