Patent US3438160A successfully refreshed from Google Patents.
US3438160A
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Lifting device for a supporting framework
Assignee: RMD Kwikform Ltd
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Filing: 1966-08-26
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Granted: 1969-04-15
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Peter Eric Gostling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:11
CPC Classifications
E; E04; E04G; E04G19/00; E04G19/003; B; B66; B66C; B66C1/00; B66C1/10; B66C1/105; C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; C09; C09D; C09D167/00; C09D167/06; C09D5/00; C09D5/34; C09J; C09J167/00; C09J167/06; C09K; C09K3/00; C09K3/10; E04G11/00; E04G11/36; E04G11/38; C08L; C08L2666/00; C08L2666/54; C09K2200/00; C09K2200/02; C09K2200/0204; C09K2200/0213; C09K2200/06; C09K2200/0615; C09K2200/0632; C09K2200/0645
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) | 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 |