US3520055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for holding workpieces for radiant energy bonding
Assignee: AT&T Inc
•
Filing: 1967-04-26
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Granted: 1970-07-14
•
Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick Joseph Jannett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:01
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0442; B; B23; B23K; B23K26/00; B23K26/009; B23K26/08; B23K26/10; B23K26/20; B23K26/21; B23K26/24; B23K26/244; G; G02; G02B; G02B21/00; G02B21/24; G02B21/26; H01; H01J; H01J37/00; H01J37/30; H01J37/315; Y; Y10; Y10S; Y10S65/00; Y10S65/04; Y10T; Y10T29/00; Y10T29/43; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49101; Y10T29/49117; Y10T29/49124; Y10T29/49126; Y10T29/4981; Y10T29/53; Y10T29/53096; Y10T29/5313; Y10T29/53265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2861405A
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US2991193A
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US2991600A
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US3108881A
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US3194668A
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US3304403A
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US3369101A
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US3388465A
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US3374531A
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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) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |