US3503137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tobacco curing apparatus
Assignee: R H BOULIGNY Inc
•
Filing: 1968-12-18
•
Granted: 1970-03-31
•
Expires: 1988-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:05
CPC Classifications
A; A24; A24B; A24B1/00; A24B1/02; Y; Y10; Y10S; Y10S432/00; Y10S432/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339374A
Cited
US1339373A
Cited
US1863943A
Cited
US2184473A
Cited
US3110326A
Cited
US3134583A
Cited
US3203265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |