US3540718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit board component clamp and assembly jig
Assignee: ROBERT E HEFFRON
•
Filing: 1966-08-22
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Granted: 1970-11-17
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Heffron
- 👤 Russell W Meredith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:27
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H05K2201/00; H05K2201/10; H05K2201/10227; H05K2201/10393; H05K2203/00; H05K2203/01; H05K2203/0147; H05K2203/0173; H05K3/32; H05K3/34; H05K3/3447; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53174; Y10T29/53265
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) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |