Patent US2840703A successfully refreshed from Google Patents.
Patent US605093A successfully refreshed from Google Patents.
US605093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelop-opener
Assignee: —
•
Filing: —
•
Granted: 1898-06-07
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Expires: 1915-06-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:36
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10S; Y10S83/00; Y10S83/912; Y10T; Y10T83/00; Y10T83/869; Y10T83/872; Y10T83/8722; Y10T83/8776; Y10T83/8785; Y10T83/8786; Y10T83/8798; Y10T83/8817; Y10T83/8818
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) | 1901-06-07 | 1901-12-07 | 1902-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-06-07 | 1905-12-07 | 1906-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-06-07 | 1909-12-07 | 1910-06-08 | $7700.00 | Window Closed / Lapsed |