US3551013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety shield connecting device
Assignee: WALTERSCHEID AGMASTER Inc
•
Filing: 1969-02-17
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Granted: 1970-12-29
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Expires: 1989-02-17
Abstract
No abstract record available.
Inventors
- 👤 Theodore S Trojanowski
- 👤 George P Wills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:41
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/108; F16D1/116; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/387; F16B; F16B2200/00; F16B2200/69; F16D2001/103; F16D3/84; F16D3/843; F16D3/848; Y; Y10; Y10S; Y10S464/00; Y10S464/901; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7033
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |