US2687864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe hanger
Assignee: Individual
•
Filing: 1950-02-27
•
Granted: 1954-08-31
•
Expires: 1970-02-27
Abstract
No abstract record available.
Inventors
- 👤 Blake H Kohler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:32
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/10; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US163531A
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US240736A
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US347685A
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US451715A
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US928711A
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US1335369A
Cited
US1681552A
Cited
FR736735A
Cited
FR41601E
Cited
US2049593A
Cited
US2251512A
Cited
US2353363A
Cited
US2547813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |