US3411527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bits for pipe punches
Assignee: OMCO Inc
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Filing: 1966-06-24
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Granted: 1968-11-19
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Expires: 1986-06-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Anker J Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06; B; B21; B21D; B21D28/00; B21D28/24; B21D28/28; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6123; Y10T408/00; Y10T408/89; Y10T408/895; Y10T408/896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |