Patent US3345782A successfully refreshed from Google Patents.
US3345782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal grinding machine
Assignee: EARL A THOMPSON Manufacturing CO
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Filing: 1965-08-30
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Granted: 1967-10-10
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Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Earl A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20; B24B47/206; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; B24B41/00; B24B41/02; B24B5/00; B24B5/02; B24B5/06; B24B5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A MACHINE COMPRISING A FRAME FIXED ON THE MACHINE, A PAIR OF BARS SUPPORTED IN PARALLEL SPACED RELATION ON THE FRAME, A CARRIAGE SUPPORTED BY THE TWO BARS FOR TO-AND-FRO MOTION RELATIVE TO THE FRAME, ANTI-FRICTION BEARING MEANS CONNECTED TO ONE BAR FOR MOVABLY SUPPORTING THE CARRIAGE AND POSITIONED IN A PLANE PARALLEL TO THE PLANE IN WHICH
Claim 2
Dependent Claim
58 words
A MACHINE COMPRISING A FRAME FIXED ON THE MACHINE, A PAIR OF BARS SUPPORTED IN PARALLEL SPACED RELATION ON THE FRAME, A CARRIAGE SUPPORTED BY THE TWO BARS FOR TO-AND-FRO MOTION RELATIVE TO THE FRAME, ANTI-FRICTION BEARING MEANS CONNECTED TO ONE BAR FOR MOVABLY SUPPORTING THE CARRIAGE AND POSITIONED IN A PLANE PARALLEL TO THE PLANE IN WHICH
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |