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US3777346A
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Tension band
Assignee: Institut Straumann AG
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Filing: 1971-07-07
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Granted: 1973-12-11
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Expires: 1991-07-07
Abstract
Abstract A tension band for suspending a rotatable measuring mechanism is composed of a metal alloy in which the ratio of the number of free electrons to the number of atoms is between about 4.15 to 4.5.
Inventors
- 👤 S Steinemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
C; C22; C22C; C22C14/00; C22C27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12326
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
23 words
The combination as claimed in claim 1, wherein the alloy contains an amount of non-transition metals, said amount not exceeding 15 atomic percent.
Claim 2
Dependent Claim
29 words
The combination as claimed in claim 1, wherein the alloy contains an amount of elements whose atomic number is smaller than 9, said amount not eXceeding 2 atomic percent.
Claim 3
Dependent Claim
29 words
The combination as claimed in claim 1, wherein the alloy essentially consists of 13 percent of vanadium, 11 percent of chromium, 3 percent of aluminum, the remainder being titanium.
Claim 4
Dependent Claim
24 words
The combination as claimed in claim 1, wherein the alloy essentially consists of 20 to 40 atomic percent of niobium, the remainder being zirconium.
Claim 5
Dependent Claim
24 words
The combination as claimed in claim 1, wherein the alloy essentially consists of 20 to 40 atomic percent of vanadium, the remainder being titanium.
Claim 6
Dependent Claim
24 words
The combination as claimed in claim 1, wherein the alloy essentially consists of 8 to 20 atomic percent of chromium, the remainder being titanium.
Claim 7
Dependent Claim
22 words
The combination as claimed in claim 1, wherein the alloy essentially consists of about 17 percent of niobium, the remainder being hafnium.
Claim 8
Dependent Claim
27 words
The combination as claimed in claim 1, wherein the sum of the components titanium plus zirconium plus hafnium of the alloy is at least 50 atomic percents.
Claim 9
Dependent Claim
16 words
The combination of claim 2, wherein said non-transition metals are Al, Sn, In, Ga or Cu.
Claim 10
Dependent Claim
13 words
The combination of claim 3, wherein said elements are oxygen, nitrogen or carbon.
References Cited (Backward Citations)
GB1183476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |