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US1413271A
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Assignee: Individual
•
Filing: 1921-02-05
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Granted: 1922-04-18
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Expires: 1941-02-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Heine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:42
CPC Classifications
D; D06; D06B; D06B23/00; D06B2700/00; D06B2700/36; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/19; Y10T74/19191
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) | 1925-04-17 | 1925-10-17 | 1926-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-04-17 | 1929-10-17 | 1930-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-04-17 | 1933-10-17 | 1934-04-18 | $7700.00 | Window Closed / Lapsed |