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Patent US3529481A successfully refreshed from Google Patents.
US3529481A
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Chain drive system for mobile loading platform or for two- or three-dimensional indexing
Assignee: BOLESLAW L BUDZYN
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Filing: 1968-03-27
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Granted: 1970-09-22
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Expires: 1988-03-27
Abstract
No abstract record available.
Inventors
- 👤 Boleslaw L Budzyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:52
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/36; B60P1/38; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/62; B23Q1/621; B23Q1/626; F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/1884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US905887A
Cited
US2280567A
Cited
US2628539A
Cited
US2652938A
Cited
US2707666A
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US2675291A
Cited
US2927258A
Cited
US2746151A
Cited
US2820187A
Cited
US3074563A
Cited
US3241243A
Cited
US3273408A
Cited
US3338104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |