Patent US3272684A successfully refreshed from Google Patents.
US3272684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint
Assignee: Acadia Elastomers Corp
•
Filing: 1963-08-13
•
Granted: 1966-09-13
•
Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Moore Howard Nelson
- 👤 George W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:41
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6815; Y; Y10; Y10T; Y10T428/00; Y10T428/18; Y10T428/24; Y10T428/24479
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE25733E
Cited
US2388297A
Cited
US2354485A
Cited
US2668133A
Cited
US2997419A
Cited
US3068132A
Cited
US3149017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |