US3493727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control device
Assignee: Panasonic Holdings Corp
•
Filing: 1968-03-18
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Granted: 1970-02-03
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Expires: 1988-03-18
Abstract
No abstract record available.
Inventors
- 👤 Tomoyuki Hosokawa
- 👤 Taro Yamamoto
- 👤 Toshii Tsugeki
- 👤 Kazuya Kimura
- 👤 Tokuzi Suga
- 👤 Hiroshi Wada
- 👤 Kunio Kimata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:54
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/56; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1909; G05D23/20; G05D23/24; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/014; H05B2203/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |