US3497260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat structure
Assignee: MillerKnoll Inc
•
Filing: 1968-03-18
•
Granted: 1970-02-24
•
Expires: 1988-03-18
Abstract
No abstract record available.
Inventors
- 👤 Richard A Donges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282; A47C3/00; A47C3/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3124390A
Cited
US2901028A
Cited
US3041109A
Cited
US3024068A
Cited
US3109679A
Cited
US3399926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |