US2858876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal communications operator's chair
Assignee: Individual
•
Filing: 1956-03-23
•
Granted: 1958-11-04
•
Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Wesley E Woodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:31
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/405; A47C9/00; A47C9/02; A47C9/022
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US461928A
Cited
US1074615A
Cited
US1157351A
Cited
US1527754A
Cited
US1505859A
Cited
US1747644A
Cited
US2117821A
Cited
US2346871A
Cited
US2692012A
Cited
US2696868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |