Patent US3222680A successfully refreshed from Google Patents.
Patent US2428087A successfully refreshed from Google Patents.
US2428087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture
Assignee: Individual
•
Filing: 1943-06-30
•
Granted: 1947-09-30
•
Expires: 1963-06-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Markus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:38
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/62; A47C7/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US105517A
Cited
US132508A
Cited
US163145A
Cited
US189933A
Cited
US259660A
Cited
US313642A
Cited
US316127A
Cited
US325981A
Cited
US444355A
Cited
US452686A
Cited
US458009A
Cited
US530880A
Cited
US601874A
Cited
US644506A
Cited
US673578A
Cited
US776044A
Cited
US929272A
Cited
US965414A
Cited
US1092625A
Cited
US1170073A
Cited
US1196827A
Cited
US1437848A
Cited
US1583217A
Cited
US1752102A
Cited
US1836630A
Cited
US1984699A
Cited
US2083838A
Cited
US2124893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |