Patent US277987A successfully refreshed from Google Patents.
Patent US520053A successfully refreshed from Google Patents.
US520053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable umbrella-holder
Assignee: —
•
Filing: —
•
Granted: 1894-05-22
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Expires: 1911-05-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:59
CPC Classifications
A; A45; A45F; A45F5/00; A45F2005/006; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1303; Y10T24/1397; Y10T24/31; Y10T24/312; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/44; Y10T24/44641; Y10T24/44684; Y10T24/44692; Y10T24/44701
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) | 1897-05-21 | 1897-11-20 | 1898-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-05-22 | 1901-11-21 | 1902-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-05-22 | 1905-11-21 | 1906-05-23 | $7700.00 | Window Closed / Lapsed |