Patent US4979946A successfully refreshed from Google Patents.
Patent US1596862A successfully refreshed from Google Patents.
US1596862A
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US
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Assignee: Individual
•
Filing: 1921-09-08
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Granted: 1926-08-24
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Expires: 1941-09-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas N Aikens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:10
CPC Classifications
B; B21; B21D; B21D51/00; B21D53/00; B21D53/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53717
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) | 1929-08-23 | 1930-02-22 | 1930-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-23 | 1934-02-22 | 1934-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-23 | 1938-02-22 | 1938-08-24 | $7700.00 | Window Closed / Lapsed |