Patent US6547511B1 successfully refreshed from Google Patents.
US55344A
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Improved curtain-fixture
Assignee: —
•
Filing: 1866-06-05
•
Granted: 1866-06-05
•
Expires: 1886-06-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:52
CPC Classifications
A; A47; A47H; A47H3/00; A47H3/02; A47H3/12; E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/326; F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1427; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32541
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) | 1869-06-04 | 1869-12-04 | 1870-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-06-04 | 1873-12-04 | 1874-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-06-04 | 1877-12-04 | 1878-06-05 | $7700.00 | Window Closed / Lapsed |