Patent US3528748A successfully refreshed from Google Patents.
US3528748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alignment of adjustable parts of a structure
Assignee: National Research Development Corp UK
•
Filing: 1966-06-14
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Granted: 1970-09-15
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Expires: 1986-06-14
Abstract
No abstract record available.
Inventors
- 👤 James Morriss Burch
- 👤 John William Charles Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:59
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/26; G01B11/27; G01B11/272; G01B9/00; G01B9/02; G01B9/02055; G01B9/02056; G01B9/02061; Y; Y10; Y10S; Y10S33/00; Y10S33/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2583596A
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US2571937A
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US2952779A
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US3012468A
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US3281712A
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US3271676A
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US3358243A
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US3366792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |