US580284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows attachment for chairs
Assignee: —
•
Filing: —
•
Granted: 1897-04-06
•
Expires: 1914-04-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:21
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/025; A47C3/027; A47C7/00; A47C7/62; A47C7/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1900-04-06 | 1900-10-06 | 1901-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-04-06 | 1904-10-06 | 1905-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-04-06 | 1908-10-06 | 1909-04-07 | $7700.00 | Window Closed / Lapsed |