US953180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for perforating master-sheets for type-writer operators.
Assignee: Underwood Typewriter Co
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Filing: 1909-01-26
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Granted: 1910-03-29
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Expires: 1929-01-26
Abstract
No abstract record available.
Inventors
- 👤 Lyman R Roberts
- 👤 Charles L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:59
CPC Classifications
B; B26; B26D; B26D11/00; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4577; Y10T83/4579; Y10T83/869; Y10T83/8821; Y10T83/8825
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) | 1913-03-28 | 1913-09-27 | 1914-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-28 | 1917-09-27 | 1918-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-28 | 1921-09-27 | 1922-03-29 | $7700.00 | Window Closed / Lapsed |