US2800867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe reforming clamp
Assignee: Individual
•
Filing: 1955-02-07
•
Granted: 1957-07-30
•
Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Smith Oliver Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:43
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/053; B23K37/0533; Y; Y10; Y10S; Y10S81/00; Y10S81/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2591763A
Cited
US1693064A
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US1818435A
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US1969572A
Cited
US2167887A
Cited
US2308340A
Cited
US2632417A
Cited
US2674966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |