US3538702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing element
Assignee: GUSTAV WOLF SEIL und DRAHTWERK
•
Filing: 1969-10-09
•
Granted: 1970-11-10
•
Expires: 1989-10-09
Abstract
No abstract record available.
Inventors
- 👤 Gustav Horst Wolf
- 👤 Fritz Singenstroth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:18
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; D02; D02G; D02G3/00; D02G3/44; D02G3/48; D07B1/0613; D07B5/00; D07B5/10; D07B2201/00; D07B2201/10; D07B2201/1012; D07B2201/1016; D07B2201/104; D07B2201/1072; D07B2201/20; D07B2201/2015; D07B2201/2036; D07B2201/2037; Y; Y10; Y10S; Y10S57/00; Y10S57/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1999502A
Cited
US2620618A
Cited
US2605201A
Cited
US3295310A
Cited
GB1034328A
Cited
GB1038938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |