US3817733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for subdividing sealed glass tube containing radioactive gas
Assignee: Individual
•
Filing: 1972-05-16
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Granted: 1974-06-18
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Expires: 1992-05-16
Abstract
Abstract A sealed glass tube containing a luminophor and a radioactive gas is subdivided by heating the tube to fusion by means of a laser beam. The tube is heated within a sealed enclosure and means are provided for regulating the pressure within the enclosure so that the pressure exceeds that within the glass tube.
Inventors
- 👤 O Thuler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:57
CPC Classifications
A; A47; A47B; A47B97/00; A47B97/04; C; C03; C03B; C03B23/00; C03B23/04; C03B23/057; C03B23/18; C03B33/00; C03B33/08; C03B33/085; C03B33/0855; C09; C09K; C09K11/00; C09K11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |