US3198323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package of annular seals
Assignee: Caterpillar Inc
•
Filing: 1962-02-09
•
Granted: 1965-08-03
•
Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Robert E Alberti
- 👤 Augustus C Martyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:09
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/088; B62D55/0887; F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3456; Y; Y10; Y10S; Y10S277/00; Y10S277/917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A PACKAGE COMPRISING TWO ALIGNED ANNULAR SEAL ELEMENTS AND INCLUDING MEANS TO HOLD SAID ELEMENTS IN AN ANNULAR RECESS AT ONE END OF A BORE, SAID MEANS INCLUDING A CYLINDRICAL ELEMENT OF PAPER-LIKE MATERIAL EXTENDING AWAY FROM THE SEALS, THE OUTER SURFACE OF SAID CYLINDRICAL ELEMENT, ALONG AT LEAST ITS MAJOR LENGTH HAVING A DIAMETER LESS THAN THE DIAMETER OF THE CENTRAL APERTURE IN SAID SEALS,
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |