Patent US2587940A successfully refreshed from Google Patents.
US2587940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe clamp
Assignee: Individual
•
Filing: 1947-12-04
•
Granted: 1952-03-04
•
Expires: 1967-12-04
Abstract
No abstract record available.
Inventors
- 👤 Glen B Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:35
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/053; B23K37/0531; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53913; Y10T29/53917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US963603A
Cited
US1087683A
Cited
US1964926A
Cited
US2167896A
Cited
US2408255A
Cited
US2413103A
Cited
US2429053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |