US3309729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating remover
Assignee: Dresser Engineering Co
•
Filing: 1964-07-17
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Granted: 1967-03-21
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Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 Dresser Jasper Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:02
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16; B44D3/162; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4528
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DEVICE FOR REMOVING A COATING FROM A SURFACE COMPRISING A CENTRAL HUB, A PLURALITY OF SHAFTS THREADED INTO SAID CENTRAL HUB TO RIGIDLY MOUNT THEM AT ONE END THEREOF ONLY WITH REFERENCE TO SAID HUB, SAID SHAFTS EXTENDING RADIALLY OUTWARDLY FROM SAID HUB, EACH SHAFT HAVING A SLOT IN ITS OUTER END SURFACE, A REMOVABLE GUARD RING ENCIRCLING SAID SHAFTS AND FRICTIONALLY LOGED IN SAID SLOT TO PREVENT THE SHAFTS FROM TURNING TO UNTHREAD FROM SAID HUB AND TO ACT AS A GUARD ABOUT SAID DEVICE, DRESSING MEANS ON SAID SHAFTS AND MEANS FOR FLEXIBLY MOUNTING SAID HUB IN A ROTATABLE MEANS.
Claim 2
Independent Claim
103 words
A DEVICE FOR REMOVING A COATING FROM A SURFACE COMPRISING A CENTRAL HUB, A PLURALITY OF SHAFTS THREADED INTO SAID CENTRAL HUB TO RIGIDLY MOUNT THEM AT ONE END THEREOF ONLY WITH REFERENCE TO SAID HUB, SAID SHAFTS EXTENDING RADIALLY OUTWARDLY FROM SAID HUB, EACH SHAFT HAVING A SLOT IN ITS OUTER END SURFACE, A REMOVABLE GUARD RING ENCIRCLING SAID SHAFTS AND FRICTIONALLY LOGED IN SAID SLOT TO PREVENT THE SHAFTS FROM TURNING TO UNTHREAD FROM SAID HUB AND TO ACT AS A GUARD ABOUT SAID DEVICE, DRESSING MEANS ON SAID SHAFTS AND MEANS FOR FLEXIBLY MOUNTING SAID HUB IN A ROTATABLE MEANS.
References Cited (Backward Citations)
US1334439A
Cited
US1581699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |