US3438338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sub-floor conveyor system
Assignee: Taylor and Gaskin Inc
•
Filing: 1966-12-09
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Granted: 1969-04-15
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Jorgen S Bildsoe
- 👤 Robert Krammer
- 👤 Raymond A Muirhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:45
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04; B61B10/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2621610A
Cited
US3006456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |