US2644508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient seating surface for chairs
Assignee: Individual
•
Filing: 1951-06-11
•
Granted: 1953-07-07
•
Expires: 1971-06-11
Abstract
No abstract record available.
Inventors
- 👤 Bruno R Weill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:13
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282; A47C7/32; Y; Y10; Y10S; Y10S297/00; Y10S297/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US125783A
Cited
US1430248A
Cited
US1662216A
Cited
US1853579A
Cited
DE643256C
Cited
US2231800A
Cited
FR850372A
Cited
GB542689A
Cited
US2545513A
Cited
US2581888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |