Patent US683472A successfully refreshed from Google Patents.
US683472A
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US
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Apparatus for forming notes of spiral note-disks.
Assignee: ADOLPH STAFFELSTEIN
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Filing: 1900-08-17
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Granted: 1901-10-01
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Expires: 1920-08-17
Abstract
No abstract record available.
Inventors
- 👤 Franz Kluge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:39
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/04; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8737
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) | 1904-09-30 | 1905-04-01 | 1905-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-09-30 | 1909-04-01 | 1909-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-09-30 | 1913-04-01 | 1913-10-01 | $7700.00 | Window Closed / Lapsed |