Patent US4148066A successfully refreshed from Google Patents.
Patent US3278964A successfully refreshed from Google Patents.
US3278964A
Expired / Lapsed
US
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Porthole reamer
Assignee: —
•
Filing: —
•
Granted: 1966-10-18
•
Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:33
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/08; E; E21; E21B; E21B10/00; E21B10/26; E21B7/00; E21B7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PORTHOLE REAMER COMPRISING A PLURAL STRANDED, BRAIDED STEEL CABLE OF A CONSISTENTLY COMMON DIAMETER THROUGHOUT, AN ADAPTER AT AN END OF SAID CABLE, SAID ADAPTER HAVING A PLURALITY OF SECURING MEANS TO ATTACH THE CABLE END TO THE ADAPTER, A STEEL BAND PROXIMATE THE OTHER END OF SAID CABLE, SAID OTHER END BEING FLARED OUTWARDLY
Claim 2
Dependent Claim
56 words
A PORTHOLE REAMER COMPRISING A PLURAL STRANDED, BRAIDED STEEL CABLE OF A CONSISTENTLY COMMON DIAMETER THROUGHOUT, AN ADAPTER AT AN END OF SAID CABLE, SAID ADAPTER HAVING A PLURALITY OF SECURING MEANS TO ATTACH THE CABLE END TO THE ADAPTER, A STEEL BAND PROXIMATE THE OTHER END OF SAID CABLE, SAID OTHER END BEING FLARED OUTWARDLY
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |