Patent US1437089A successfully refreshed from Google Patents.
US1437089A
Expired / Lapsed
US
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Pipe-stringer clamp
Assignee: Brandt & Krell Engineering Co
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Filing: 1920-06-28
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Granted: 1922-11-28
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Expires: 1940-06-28
Abstract
No abstract record available.
Inventors
- 👤 Brandt Fokko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:09
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/12; E04G7/18; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493
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) | 1925-11-27 | 1926-05-29 | 1926-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-27 | 1930-05-29 | 1930-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-27 | 1934-05-29 | 1934-11-28 | $7700.00 | Window Closed / Lapsed |