US2979417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing self-lubricating watch and clock parts and the coated article
Assignee: Institut Dr Ing Reinhard Straumann AG
•
Filing: 1958-06-23
•
Granted: 1961-04-11
•
Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Kruger Gustav
- 👤 Bourquin Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:52
CPC Classifications
G; G04; G04B; G04B1/00; G04B1/10; G04B1/14; G04B1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A SELF-LUBRICATING COMPONENT FOR CLOCKS AND WATCHES HAVING AT LEAST ITS FRICTIONAL WEARING SURFACE COATED WITH A THIN, FIRMLY ADHERENT, NON-TACKY FILM OF AN OIL FREE
Claim 2
Dependent Claim
26 words
A SELF-LUBRICATING COMPONENT FOR CLOCKS AND WATCHES HAVING AT LEAST ITS FRICTIONAL WEARING SURFACE COATED WITH A THIN, FIRMLY ADHERENT, NON-TACKY FILM OF AN OIL FREE
References Cited (Backward Citations)
US519968A
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US596942A
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US2657668A
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US2673818A
Cited
US2798005A
Cited
US2767239A
Cited
US2932503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |