Patent US4391515A successfully refreshed from Google Patents.
US989794A
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Assignee: F H HITCHCOCK
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Filing: 1910-07-05
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Granted: 1911-04-18
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Expires: 1930-07-05
Abstract
No abstract record available.
Inventors
- 👤 Eduard Fredrick Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:12
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/06; B44B3/065; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T279/17264; Y10T279/17273; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732
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) | 1914-04-17 | 1914-10-17 | 1915-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-17 | 1918-10-17 | 1919-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-17 | 1922-10-17 | 1923-04-18 | $7700.00 | Window Closed / Lapsed |