Patent US3416328A successfully refreshed from Google Patents.
US3416328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling the operation of an environmental growth chamber
Assignee: Integrated Development and Manufacturing
•
Filing: 1967-04-04
•
Granted: 1968-12-17
•
Expires: 1987-04-04
Abstract
No abstract record available.
Inventors
- 👤 Davis Noel
- 👤 Carl E Merchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:14
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/02; F; F24; F24F; F24F1/00; F24F1/0007; F24F1/0071; F24F11/00; F24F11/50; F24F11/61; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F11/88; F24F11/30; F24F2110/00; F24F2110/10; F24F2221/00; F24F2221/54; F24F6/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |