Patent US3529823A successfully refreshed from Google Patents.
Patent US2784765A successfully refreshed from Google Patents.
US2784765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child's spring suspended chair
Assignee: Individual
•
Filing: 1953-04-23
•
Granted: 1957-03-12
•
Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Brandon F Morrissette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:51
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/10; A47D13/102; A47D13/105; A47D13/107
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US116765A
Cited
US154275A
Cited
US83216A
Cited
US735378A
Cited
US794484A
Cited
US1066991A
Cited
US1215394A
Cited
US1368146A
Cited
US1477110A
Cited
US1369799A
Cited
US1436834A
Cited
US1463571A
Cited
GB337209A
Cited
US1940679A
Cited
US1952467A
Cited
US2638966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |