US3449540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Numerically controlled automatic positioning and welding apparatus
Assignee: Arvin Systems Inc
•
Filing: 1966-02-23
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Granted: 1969-06-10
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Richard J Yanko
- 👤 John K Penrod
- 👤 George W Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:59
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/35; G05B19/351; G05B19/353; B; B23; B23K; B23K11/00; B23K11/24; B23K11/248; G05B19/42; G05B19/425; G05B2219/00; G05B2219/30; G05B2219/36; G05B2219/36589; G05B2219/45; G05B2219/45135; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464906A
Cited
US2475245A
Cited
US2537770A
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US2833941A
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US2996348A
Cited
US3238430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |