Patent US4737737A successfully refreshed from Google Patents.
Patent US1630475A successfully refreshed from Google Patents.
US1630475A
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Assignee: ELDER MANUFACTURING Co
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Filing: 1926-10-13
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Granted: 1927-05-31
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Expires: 1946-10-13
Abstract
No abstract record available.
Inventors
- 👤 Elder William George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:01
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/10; E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/18; E04G21/1808; E04G21/1825
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) | 1930-05-30 | 1930-11-29 | 1931-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-30 | 1934-11-29 | 1935-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-30 | 1938-11-29 | 1939-05-31 | $7700.00 | Window Closed / Lapsed |