US1112591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eraser attachment for type-writers.
Assignee: FRED A BISHOP
•
Filing: 1910-09-17
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Granted: 1914-10-06
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Expires: 1930-09-17
Abstract
No abstract record available.
Inventors
- 👤 Carlton E Beem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:08
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1415; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/44; Y10T24/44641; Y10T24/44932
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) | 1917-10-05 | 1918-04-06 | 1918-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-10-05 | 1922-04-06 | 1922-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-10-05 | 1926-04-06 | 1926-10-06 | $7700.00 | Window Closed / Lapsed |