US3271997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic denier monitoring apparatus
Assignee: Monsanto Co
•
Filing: 1963-01-17
•
Granted: 1966-09-13
•
Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Horne Ronald
- 👤 Thomas W Mcglaughlin
- 👤 Jr John L Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:05
CPC Classifications
G; G01; G01B; G01B13/00; G01B13/08; B; B65; B65H; B65H63/00; B65H63/06; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
APPARATUS FOR MONITORING THE DENIER OF AN ELONGATED STRAND COMPRISING IN COMBINATION (A) A SOURCE OF AIR AT A PRESSURE DIFFERENT FROM ATMOSPHERIC, (B) AN AIRFLOW MEASURING DEVICE HAVING AN INPUT SIDE CONNECTED TO SAID SOURCE AND HAVING AN OUTPUT SIDE, (C) AND A MONITORING HEAD ASSEMBLY, SAID HEAD ASSEMBLY COMPRISING: (1) MEANS HAVING A PLURALITY OF AXIALLY ALIGNED GROOVES IN A SURFACE, SAID GROOVES BEING SEPAATED BY TRANSVERSE AIR PASSAGES VENTED TO THE ATMOSPHERE, (2) A REMOVABLE COVER PLATE MATING WITH SAID SURFACE AND SPANNING SAID GROOVES TO FORM THEREWITH A SERIES OF ALIGNED RESTRICTED PASSAGEWAYS FOR RECEIVING SAID STRAND, (3) AND AN AIR PASSAGE CONNECTING AN INTERMEDIATE PORTION OF EACH OF SAID PASSAGEWAYS WITH SAID
Claim 2
Dependent Claim
117 words
APPARATUS FOR MONITORING THE DENIER OF AN ELONGATED STRAND COMPRISING IN COMBINATION (A) A SOURCE OF AIR AT A PRESSURE DIFFERENT FROM ATMOSPHERIC, (B) AN AIRFLOW MEASURING DEVICE HAVING AN INPUT SIDE CONNECTED TO SAID SOURCE AND HAVING AN OUTPUT SIDE, (C) AND A MONITORING HEAD ASSEMBLY, SAID HEAD ASSEMBLY COMPRISING: (1) MEANS HAVING A PLURALITY OF AXIALLY ALIGNED GROOVES IN A SURFACE, SAID GROOVES BEING SEPAATED BY TRANSVERSE AIR PASSAGES VENTED TO THE ATMOSPHERE, (2) A REMOVABLE COVER PLATE MATING WITH SAID SURFACE AND SPANNING SAID GROOVES TO FORM THEREWITH A SERIES OF ALIGNED RESTRICTED PASSAGEWAYS FOR RECEIVING SAID STRAND, (3) AND AN AIR PASSAGE CONNECTING AN INTERMEDIATE PORTION OF EACH OF SAID PASSAGEWAYS WITH SAID
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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 |