Patent US1189031A successfully refreshed from Google Patents.
US1189031A
Expired / Lapsed
US
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Letter-opener.
Assignee: Individual
•
Filing: 1915-10-06
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Granted: 1916-06-27
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Expires: 1935-10-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:10
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/18; Y; Y10; Y10S; Y10S30/00; Y10S30/03; Y10T; Y10T83/00; Y10T83/566; Y10T83/5815; Y10T83/5842; Y10T83/5851; Y10T83/869; Y10T83/8776; Y10T83/8785; Y10T83/8786
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) | 1919-06-27 | 1919-12-27 | 1920-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-06-27 | 1923-12-27 | 1924-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-06-27 | 1927-12-27 | 1928-06-27 | $7700.00 | Window Closed / Lapsed |