US3101729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument washers
Assignee: Individual
•
Filing: 1962-03-07
•
Granted: 1963-08-27
•
Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Goldman David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:10
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
AN INSTRUMENT WASHER COMPRISING A CASING HAVING A BOTTOM WALL, A TOP WALL, SIDE WALLS AND A REAR WALL, AND BEING PROVIDED WITH A TRANSVERSE PARTITION PARALLEL AND IN SPACED RELATION TO THE REAR WALL AND FORMED WITH PERFORATIONS, SAID BOTTOM WALL HAVING OPENINGS THEREIN BETWEEN SAID REAR WALL AND SAID PARTITION, AND A PIPE COUPLING FIXED TO THE CASING, A CHAMBER FIXED TO THE UNDER SIDE OF THE BOTTOM WALL OF SAID CASING ADJACENT SAID REAR WALL AND COMMUNICATING WITH SAID COUPLING AND SAID OPENINGS TO ALLOW WATER RECEIVED BY SAID COUPLING TO PASS TO THE SPACE BETWEEN THE REAR WALL AND SAID PARTITON, AND A BASKET HAVING WIRE MESH WALLS SLIDABLY RECEIVED IN AND SUBSTANTIALLY FILLING SAID CASING.
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |