US1604151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-weight girder
Assignee: FIRM LUFTSCHIFFBAU ZEPPELIN GM
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Filing: 1920-06-23
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Granted: 1926-10-26
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Expires: 1940-06-23
Abstract
No abstract record available.
Inventors
- 👤 Dornier Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:56
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C1/065; E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C3/07; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452
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) | 1929-10-25 | 1930-04-26 | 1930-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-25 | 1934-04-26 | 1934-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-25 | 1938-04-26 | 1938-10-26 | $7700.00 | Window Closed / Lapsed |