Patent US1021049A successfully refreshed from Google Patents.
US1021049A
Expired / Lapsed
US
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Machine for making perforated music-sheets.
Assignee: Individual
•
Filing: 1911-08-01
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Granted: 1912-03-26
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Expires: 1931-08-01
Abstract
No abstract record available.
Inventors
- 👤 George B Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:56
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/82; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/08; B26D1/085; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487
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) | 1915-03-26 | 1915-09-25 | 1916-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-03-26 | 1919-09-25 | 1920-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-03-26 | 1923-09-25 | 1924-03-26 | $7700.00 | Window Closed / Lapsed |