Patent US272796A successfully refreshed from Google Patents.
US272796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
teetees
Assignee: —
•
Filing: —
•
Granted: 1883-02-20
•
Expires: 1900-02-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:33
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; Y; Y10; Y10S; Y10S292/00; Y10S292/72; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5035; Y10T70/5044; Y10T70/5058; Y10T70/5062; Y10T70/5093; Y10T70/5097; Y10T70/5102; Y10T70/5106; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5279; Y10T70/80; Y10T70/8027; Y10T70/8216; Y10T70/8243
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1886-02-19 | 1886-08-21 | 1887-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-02-19 | 1890-08-21 | 1891-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-02-19 | 1894-08-21 | 1895-02-20 | $7700.00 | Window Closed / Lapsed |