US1735209A
Expired / Lapsed
US
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Assignee: GEORGE B SHAW
•
Filing: 1926-10-07
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Granted: 1929-11-12
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Expires: 1946-10-07
Abstract
No abstract record available.
Inventors
- 👤 Henry M Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:51
CPC Classifications
F; F21; F21V; F21V11/00; F21S; F21S41/00; F21S41/20; F21S41/28; F21S41/285; F21S41/29; F21S41/30; F21S41/32; F21S41/321; F21S41/37; F21S41/40; F21S41/43; F21S41/10; F21S41/14; F21S41/162; F21S41/36; F21S41/365; F21W; F21W2107/00; F21W2107/10
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) | 1932-11-11 | 1933-05-13 | 1933-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-11 | 1937-05-13 | 1937-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-11 | 1941-05-13 | 1941-11-12 | $7700.00 | Window Closed / Lapsed |