US1656871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow girder
Assignee: Goodyear Zeppelin Corp
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Filing: 1926-02-27
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Granted: 1928-01-17
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Expires: 1946-02-27
Abstract
No abstract record available.
Inventors
- 👤 Schnitzer Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C1/065; E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/09; B64C2001/0054; B64C2001/0081; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0443; E04C2003/0465; E04C2003/0469; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625
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) | 1931-01-16 | 1931-07-18 | 1932-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-16 | 1935-07-18 | 1936-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-16 | 1939-07-18 | 1940-01-17 | $7700.00 | Window Closed / Lapsed |