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US1490671A
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Assignee: ALONZO B SEE
•
Filing: 1923-03-17
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Granted: 1924-04-15
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Expires: 1943-03-17
Abstract
No abstract record available.
Inventors
- 👤 Nils O Lindstrom
- 👤 Carl F E Olofson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:31
CPC Classifications
B; B66; B66B; B66B11/00; B66B11/04; B66B11/043; B66B11/0446; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19842
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) | 1927-04-15 | 1927-10-15 | 1928-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-15 | 1931-10-15 | 1932-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-15 | 1935-10-15 | 1936-04-15 | $7700.00 | Window Closed / Lapsed |